changeset 7847:16157f91ff41

Merge
author amurillo
date Mon, 16 Feb 2015 08:47:39 -0800
parents 403b9cbadb04 70e539f62c3d
children 9fb7fdc554db ff7fa523a873 759a167d2381 840306ef66e4 f1b92b73e6aa
files src/os/bsd/vm/dtraceJSDT_bsd.cpp src/os/linux/vm/dtraceJSDT_linux.cpp src/os/solaris/vm/dtraceJSDT_solaris.cpp src/os/windows/vm/dtraceJSDT_windows.cpp src/share/vm/runtime/dtraceJSDT.cpp src/share/vm/runtime/dtraceJSDT.hpp
diffstat 138 files changed, 1320 insertions(+), 4443 deletions(-) [+]
line wrap: on
line diff
--- a/agent/src/os/linux/ps_proc.c	Thu Feb 12 16:39:35 2015 -0800
+++ b/agent/src/os/linux/ps_proc.c	Mon Feb 16 08:47:39 2015 -0800
@@ -27,9 +27,11 @@
 #include <string.h>
 #include <signal.h>
 #include <errno.h>
+#include <elf.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <sys/ptrace.h>
+#include <sys/uio.h>
 #include "libproc_impl.h"
 
 #if defined(x86_64) && !defined(amd64)
@@ -138,6 +140,15 @@
    return false;
  }
  return true;
+#elif defined(PTRACE_GETREGSET)
+ struct iovec iov;
+ iov.iov_base = user;
+ iov.iov_len = sizeof(*user);
+ if (ptrace(PTRACE_GETREGSET, pid, NT_PRSTATUS, (void*) &iov) < 0) {
+   print_debug("ptrace(PTRACE_GETREGSET, ...) failed for lwp %d\n", pid);
+   return false;
+ }
+ return true;
 #else
  print_debug("ptrace(PTRACE_GETREGS, ...) not supported\n");
  return false;
--- a/agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ClassWriter.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ClassWriter.java	Mon Feb 16 08:47:39 2015 -0800
@@ -423,12 +423,22 @@
 
     protected void writeMethods() throws IOException {
         MethodArray methods = klass.getMethods();
-        final int len = methods.length();
+        ArrayList<Method> valid_methods = new ArrayList<Method>();
+        for (int i = 0; i < methods.length(); i++) {
+            Method m = methods.at(i);
+            long accessFlags = m.getAccessFlags();
+            // overpass method
+            if (accessFlags == (JVM_ACC_PUBLIC | JVM_ACC_SYNTHETIC | JVM_ACC_BRIDGE)) {
+                continue;
+            }
+            valid_methods.add(m);
+        }
+        final int len = valid_methods.size();
         // write number of methods
         dos.writeShort((short) len);
         if (DEBUG) debugMessage("number of methods = " + len);
         for (int m = 0; m < len; m++) {
-            writeMethod(methods.at(m));
+            writeMethod(valid_methods.get(m));
         }
     }
 
--- a/make/aix/makefiles/mapfile-vers-debug	Thu Feb 12 16:39:35 2015 -0800
+++ b/make/aix/makefiles/mapfile-vers-debug	Mon Feb 16 08:47:39 2015 -0800
@@ -62,11 +62,6 @@
                 JVM_DefineClassWithSourceCond;
                 JVM_DesiredAssertionStatus;
                 JVM_DoPrivileged;
-                JVM_DTraceGetVersion;
-                JVM_DTraceActivate;
-                JVM_DTraceIsProbeEnabled;
-                JVM_DTraceIsSupported;
-                JVM_DTraceDispose;
                 JVM_DumpAllStacks;
                 JVM_DumpThreads;
                 JVM_FillInStackTrace;
--- a/make/aix/makefiles/mapfile-vers-product	Thu Feb 12 16:39:35 2015 -0800
+++ b/make/aix/makefiles/mapfile-vers-product	Mon Feb 16 08:47:39 2015 -0800
@@ -62,11 +62,6 @@
                 JVM_DefineClassWithSourceCond;
                 JVM_DesiredAssertionStatus;
                 JVM_DoPrivileged;
-                JVM_DTraceGetVersion;
-                JVM_DTraceActivate;
-                JVM_DTraceIsProbeEnabled;
-                JVM_DTraceIsSupported;
-                JVM_DTraceDispose;
                 JVM_DumpAllStacks;
                 JVM_DumpThreads;
                 JVM_FillInStackTrace;
--- a/make/bsd/makefiles/mapfile-vers-darwin-debug	Thu Feb 12 16:39:35 2015 -0800
+++ b/make/bsd/makefiles/mapfile-vers-darwin-debug	Mon Feb 16 08:47:39 2015 -0800
@@ -60,11 +60,6 @@
                 _JVM_DefineClassWithSourceCond
                 _JVM_DesiredAssertionStatus
                 _JVM_DoPrivileged
-                _JVM_DTraceGetVersion
-                _JVM_DTraceActivate
-                _JVM_DTraceIsProbeEnabled
-                _JVM_DTraceIsSupported
-                _JVM_DTraceDispose
                 _JVM_DumpAllStacks
                 _JVM_DumpThreads
                 _JVM_FillInStackTrace
--- a/make/bsd/makefiles/mapfile-vers-darwin-product	Thu Feb 12 16:39:35 2015 -0800
+++ b/make/bsd/makefiles/mapfile-vers-darwin-product	Mon Feb 16 08:47:39 2015 -0800
@@ -60,11 +60,6 @@
                 _JVM_DefineClassWithSourceCond
                 _JVM_DesiredAssertionStatus
                 _JVM_DoPrivileged
-                _JVM_DTraceGetVersion
-                _JVM_DTraceActivate
-                _JVM_DTraceIsProbeEnabled
-                _JVM_DTraceIsSupported
-                _JVM_DTraceDispose
                 _JVM_DumpAllStacks
                 _JVM_DumpThreads
                 _JVM_FillInStackTrace
--- a/make/bsd/makefiles/mapfile-vers-debug	Thu Feb 12 16:39:35 2015 -0800
+++ b/make/bsd/makefiles/mapfile-vers-debug	Mon Feb 16 08:47:39 2015 -0800
@@ -62,11 +62,6 @@
                 JVM_DefineClassWithSourceCond;
                 JVM_DesiredAssertionStatus;
                 JVM_DoPrivileged;
-                JVM_DTraceGetVersion;
-                JVM_DTraceActivate;
-                JVM_DTraceIsProbeEnabled;
-                JVM_DTraceIsSupported;
-                JVM_DTraceDispose;
                 JVM_DumpAllStacks;
                 JVM_DumpThreads;
                 JVM_FillInStackTrace;
--- a/make/bsd/makefiles/mapfile-vers-product	Thu Feb 12 16:39:35 2015 -0800
+++ b/make/bsd/makefiles/mapfile-vers-product	Mon Feb 16 08:47:39 2015 -0800
@@ -62,11 +62,6 @@
                 JVM_DefineClassWithSourceCond;
                 JVM_DesiredAssertionStatus;
                 JVM_DoPrivileged;
-                JVM_DTraceGetVersion;
-                JVM_DTraceActivate;
-                JVM_DTraceIsProbeEnabled;
-                JVM_DTraceIsSupported;
-                JVM_DTraceDispose;
                 JVM_DumpAllStacks;
                 JVM_DumpThreads;
                 JVM_FillInStackTrace;
--- a/make/linux/makefiles/mapfile-vers-debug	Thu Feb 12 16:39:35 2015 -0800
+++ b/make/linux/makefiles/mapfile-vers-debug	Mon Feb 16 08:47:39 2015 -0800
@@ -62,11 +62,6 @@
                 JVM_DefineClassWithSourceCond;
                 JVM_DesiredAssertionStatus;
                 JVM_DoPrivileged;
-                JVM_DTraceGetVersion;
-                JVM_DTraceActivate;
-                JVM_DTraceIsProbeEnabled;
-                JVM_DTraceIsSupported;
-                JVM_DTraceDispose;
                 JVM_DumpAllStacks;
                 JVM_DumpThreads;
                 JVM_FillInStackTrace;
--- a/make/linux/makefiles/mapfile-vers-product	Thu Feb 12 16:39:35 2015 -0800
+++ b/make/linux/makefiles/mapfile-vers-product	Mon Feb 16 08:47:39 2015 -0800
@@ -62,11 +62,6 @@
                 JVM_DefineClassWithSourceCond;
                 JVM_DesiredAssertionStatus;
                 JVM_DoPrivileged;
-                JVM_DTraceGetVersion;
-                JVM_DTraceActivate;
-                JVM_DTraceIsProbeEnabled;
-                JVM_DTraceIsSupported;
-                JVM_DTraceDispose;
                 JVM_DumpAllStacks;
                 JVM_DumpThreads;
                 JVM_FillInStackTrace;
--- a/make/solaris/makefiles/dtrace.make	Thu Feb 12 16:39:35 2015 -0800
+++ b/make/solaris/makefiles/dtrace.make	Mon Feb 16 08:47:39 2015 -0800
@@ -336,16 +336,10 @@
 
 .PHONY: dtraceCheck
 
-SYSTEM_DTRACE_H = /usr/include/dtrace.h
 SYSTEM_DTRACE_PROG = /usr/sbin/dtrace
 PATCH_DTRACE_PROG = /opt/SUNWdtrd/sbin/dtrace
 systemDtraceFound := $(wildcard ${SYSTEM_DTRACE_PROG})
 patchDtraceFound := $(wildcard ${PATCH_DTRACE_PROG})
-systemDtraceHdrFound := $(wildcard $(SYSTEM_DTRACE_H))
-
-ifneq ("$(systemDtraceHdrFound)", "") 
-CFLAGS += -DHAVE_DTRACE_H
-endif
 
 ifneq ("$(patchDtraceFound)", "")
 DTRACE_PROG=$(PATCH_DTRACE_PROG)
--- a/make/solaris/makefiles/mapfile-vers	Thu Feb 12 16:39:35 2015 -0800
+++ b/make/solaris/makefiles/mapfile-vers	Mon Feb 16 08:47:39 2015 -0800
@@ -62,11 +62,6 @@
                 JVM_DefineClassWithSourceCond;
                 JVM_DesiredAssertionStatus;
                 JVM_DoPrivileged;
-                JVM_DTraceGetVersion;
-                JVM_DTraceActivate;
-                JVM_DTraceIsProbeEnabled;
-                JVM_DTraceIsSupported;
-                JVM_DTraceDispose;
                 JVM_DumpAllStacks;
                 JVM_DumpThreads;
                 JVM_FillInStackTrace;
--- a/src/cpu/ppc/vm/ppc.ad	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/ppc/vm/ppc.ad	Mon Feb 16 08:47:39 2015 -0800
@@ -6365,58 +6365,6 @@
 // Prefetch instructions.
 // Must be safe to execute with invalid address (cannot fault).
 
-instruct prefetchr(indirectMemory mem, iRegLsrc src) %{
-  match(PrefetchRead (AddP mem src));
-  ins_cost(MEMORY_REF_COST);
-
-  format %{ "PREFETCH $mem, 0, $src \t// Prefetch read-many" %}
-  size(4);
-  ins_encode %{
-    // TODO: PPC port $archOpcode(ppc64Opcode_dcbt);
-    __ dcbt($src$$Register, $mem$$base$$Register);
-  %}
-  ins_pipe(pipe_class_memory);
-%}
-
-instruct prefetchr_no_offset(indirectMemory mem) %{
-  match(PrefetchRead mem);
-  ins_cost(MEMORY_REF_COST);
-
-  format %{ "PREFETCH $mem" %}
-  size(4);
-  ins_encode %{
-    // TODO: PPC port $archOpcode(ppc64Opcode_dcbt);
-    __ dcbt($mem$$base$$Register);
-  %}
-  ins_pipe(pipe_class_memory);
-%}
-
-instruct prefetchw(indirectMemory mem, iRegLsrc src) %{
-  match(PrefetchWrite (AddP mem src));
-  ins_cost(MEMORY_REF_COST);
-
-  format %{ "PREFETCH $mem, 2, $src \t// Prefetch write-many (and read)" %}
-  size(4);
-  ins_encode %{
-    // TODO: PPC port $archOpcode(ppc64Opcode_dcbtst);
-    __ dcbtst($src$$Register, $mem$$base$$Register);
-  %}
-  ins_pipe(pipe_class_memory);
-%}
-
-instruct prefetchw_no_offset(indirectMemory mem) %{
-  match(PrefetchWrite mem);
-  ins_cost(MEMORY_REF_COST);
-
-  format %{ "PREFETCH $mem" %}
-  size(4);
-  ins_encode %{
-    // TODO: PPC port $archOpcode(ppc64Opcode_dcbtst);
-    __ dcbtst($mem$$base$$Register);
-  %}
-  ins_pipe(pipe_class_memory);
-%}
-
 // Special prefetch versions which use the dcbz instruction.
 instruct prefetch_alloc_zero(indirectMemory mem, iRegLsrc src) %{
   match(PrefetchAllocation (AddP mem src));
--- a/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1436,26 +1436,6 @@
 }
 
 
-void LIR_Assembler::prefetchr(LIR_Opr src) {
-  LIR_Address* addr = src->as_address_ptr();
-  Address from_addr = as_Address(addr);
-
-  if (VM_Version::has_v9()) {
-    __ prefetch(from_addr, Assembler::severalReads);
-  }
-}
-
-
-void LIR_Assembler::prefetchw(LIR_Opr src) {
-  LIR_Address* addr = src->as_address_ptr();
-  Address from_addr = as_Address(addr);
-
-  if (VM_Version::has_v9()) {
-    __ prefetch(from_addr, Assembler::severalWritesAndPossiblyReads);
-  }
-}
-
-
 void LIR_Assembler::stack2reg(LIR_Opr src, LIR_Opr dest, BasicType type) {
   Address addr;
   if (src->is_single_word()) {
--- a/src/cpu/sparc/vm/macroAssembler_sparc.inline.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/sparc/vm/macroAssembler_sparc.inline.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -630,7 +630,12 @@
 
 inline void MacroAssembler::ldf(FloatRegisterImpl::Width w, const Address& a, FloatRegister d, int offset) {
   relocate(a.rspec(offset));
-  ldf(w, a.base(), a.disp() + offset, d);
+  if (a.has_index()) {
+    assert(offset == 0, "");
+    ldf(w, a.base(), a.index(), d);
+  } else {
+    ldf(w, a.base(), a.disp() + offset, d);
+  }
 }
 
 // returns if membar generates anything, obviously this code should mirror
--- a/src/cpu/sparc/vm/nativeInst_sparc.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/sparc/vm/nativeInst_sparc.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -36,11 +36,6 @@
 #include "c1/c1_Runtime1.hpp"
 #endif
 
-
-bool NativeInstruction::is_dtrace_trap() {
-  return !is_nop();
-}
-
 void NativeInstruction::set_data64_sethi(address instaddr, intptr_t x) {
   ResourceMark rm;
   CodeBuffer buf(instaddr, 10 * BytesPerInstWord );
--- a/src/cpu/sparc/vm/nativeInst_sparc.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/sparc/vm/nativeInst_sparc.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -51,7 +51,6 @@
     nop_instruction_size        =    4
   };
 
-  bool is_dtrace_trap();
   bool is_nop()                        { return long_at(0) == nop_instruction(); }
   bool is_call()                       { return is_op(long_at(0), Assembler::call_op); }
   bool is_sethi()                      { return (is_op2(long_at(0), Assembler::sethi_op2)
--- a/src/cpu/sparc/vm/sharedRuntime_sparc.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/sparc/vm/sharedRuntime_sparc.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -2758,540 +2758,6 @@
 
 }
 
-#ifdef HAVE_DTRACE_H
-// ---------------------------------------------------------------------------
-// Generate a dtrace nmethod for a given signature.  The method takes arguments
-// in the Java compiled code convention, marshals them to the native
-// abi and then leaves nops at the position you would expect to call a native
-// function. When the probe is enabled the nops are replaced with a trap
-// instruction that dtrace inserts and the trace will cause a notification
-// to dtrace.
-//
-// The probes are only able to take primitive types and java/lang/String as
-// arguments.  No other java types are allowed. Strings are converted to utf8
-// strings so that from dtrace point of view java strings are converted to C
-// strings. There is an arbitrary fixed limit on the total space that a method
-// can use for converting the strings. (256 chars per string in the signature).
-// So any java string larger then this is truncated.
-
-static int  fp_offset[ConcreteRegisterImpl::number_of_registers] = { 0 };
-static bool offsets_initialized = false;
-
-nmethod *SharedRuntime::generate_dtrace_nmethod(
-    MacroAssembler *masm, methodHandle method) {
-
-
-  // generate_dtrace_nmethod is guarded by a mutex so we are sure to
-  // be single threaded in this method.
-  assert(AdapterHandlerLibrary_lock->owned_by_self(), "must be");
-
-  // Fill in the signature array, for the calling-convention call.
-  int total_args_passed = method->size_of_parameters();
-
-  BasicType* in_sig_bt  = NEW_RESOURCE_ARRAY(BasicType, total_args_passed);
-  VMRegPair  *in_regs   = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed);
-
-  // The signature we are going to use for the trap that dtrace will see
-  // java/lang/String is converted. We drop "this" and any other object
-  // is converted to NULL.  (A one-slot java/lang/Long object reference
-  // is converted to a two-slot long, which is why we double the allocation).
-  BasicType* out_sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed * 2);
-  VMRegPair* out_regs   = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed * 2);
-
-  int i=0;
-  int total_strings = 0;
-  int first_arg_to_pass = 0;
-  int total_c_args = 0;
-
-  // Skip the receiver as dtrace doesn't want to see it
-  if( !method->is_static() ) {
-    in_sig_bt[i++] = T_OBJECT;
-    first_arg_to_pass = 1;
-  }
-
-  SignatureStream ss(method->signature());
-  for ( ; !ss.at_return_type(); ss.next()) {
-    BasicType bt = ss.type();
-    in_sig_bt[i++] = bt;  // Collect remaining bits of signature
-    out_sig_bt[total_c_args++] = bt;
-    if( bt == T_OBJECT) {
-      Symbol* s = ss.as_symbol_or_null();
-      if (s == vmSymbols::java_lang_String()) {
-        total_strings++;
-        out_sig_bt[total_c_args-1] = T_ADDRESS;
-      } else if (s == vmSymbols::java_lang_Boolean() ||
-                 s == vmSymbols::java_lang_Byte()) {
-        out_sig_bt[total_c_args-1] = T_BYTE;
-      } else if (s == vmSymbols::java_lang_Character() ||
-                 s == vmSymbols::java_lang_Short()) {
-        out_sig_bt[total_c_args-1] = T_SHORT;
-      } else if (s == vmSymbols::java_lang_Integer() ||
-                 s == vmSymbols::java_lang_Float()) {
-        out_sig_bt[total_c_args-1] = T_INT;
-      } else if (s == vmSymbols::java_lang_Long() ||
-                 s == vmSymbols::java_lang_Double()) {
-        out_sig_bt[total_c_args-1] = T_LONG;
-        out_sig_bt[total_c_args++] = T_VOID;
-      }
-    } else if ( bt == T_LONG || bt == T_DOUBLE ) {
-      in_sig_bt[i++] = T_VOID;   // Longs & doubles take 2 Java slots
-      // We convert double to long
-      out_sig_bt[total_c_args-1] = T_LONG;
-      out_sig_bt[total_c_args++] = T_VOID;
-    } else if ( bt == T_FLOAT) {
-      // We convert float to int
-      out_sig_bt[total_c_args-1] = T_INT;
-    }
-  }
-
-  assert(i==total_args_passed, "validly parsed signature");
-
-  // Now get the compiled-Java layout as input arguments
-  int comp_args_on_stack;
-  comp_args_on_stack = SharedRuntime::java_calling_convention(
-      in_sig_bt, in_regs, total_args_passed, false);
-
-  // We have received a description of where all the java arg are located
-  // on entry to the wrapper. We need to convert these args to where
-  // the a  native (non-jni) function would expect them. To figure out
-  // where they go we convert the java signature to a C signature and remove
-  // T_VOID for any long/double we might have received.
-
-
-  // Now figure out where the args must be stored and how much stack space
-  // they require (neglecting out_preserve_stack_slots but space for storing
-  // the 1st six register arguments). It's weird see int_stk_helper.
-  //
-  int out_arg_slots;
-  out_arg_slots = c_calling_convention(out_sig_bt, out_regs, NULL, total_c_args);
-
-  // Calculate the total number of stack slots we will need.
-
-  // First count the abi requirement plus all of the outgoing args
-  int stack_slots = SharedRuntime::out_preserve_stack_slots() + out_arg_slots;
-
-  // Plus a temp for possible converion of float/double/long register args
-
-  int conversion_temp = stack_slots;
-  stack_slots += 2;
-
-
-  // Now space for the string(s) we must convert
-
-  int string_locs = stack_slots;
-  stack_slots += total_strings *
-                   (max_dtrace_string_size / VMRegImpl::stack_slot_size);
-
-  // Ok The space we have allocated will look like:
-  //
-  //
-  // FP-> |                     |
-  //      |---------------------|
-  //      | string[n]           |
-  //      |---------------------| <- string_locs[n]
-  //      | string[n-1]         |
-  //      |---------------------| <- string_locs[n-1]
-  //      | ...                 |
-  //      | ...                 |
-  //      |---------------------| <- string_locs[1]
-  //      | string[0]           |
-  //      |---------------------| <- string_locs[0]
-  //      | temp                |
-  //      |---------------------| <- conversion_temp
-  //      | outbound memory     |
-  //      | based arguments     |
-  //      |                     |
-  //      |---------------------|
-  //      |                     |
-  // SP-> | out_preserved_slots |
-  //
-  //
-
-  // Now compute actual number of stack words we need rounding to make
-  // stack properly aligned.
-  stack_slots = round_to(stack_slots, 4 * VMRegImpl::slots_per_word);
-
-  int stack_size = stack_slots * VMRegImpl::stack_slot_size;
-
-  intptr_t start = (intptr_t)__ pc();
-
-  // First thing make an ic check to see if we should even be here
-
-  {
-    Label L;
-    const Register temp_reg = G3_scratch;
-    AddressLiteral ic_miss(SharedRuntime::get_ic_miss_stub());
-    __ verify_oop(O0);
-    __ ld_ptr(O0, oopDesc::klass_offset_in_bytes(), temp_reg);
-    __ cmp_and_brx_short(temp_reg, G5_inline_cache_reg, Assembler::equal, Assembler::pt, L);
-
-    __ jump_to(ic_miss, temp_reg);
-    __ delayed()->nop();
-    __ align(CodeEntryAlignment);
-    __ bind(L);
-  }
-
-  int vep_offset = ((intptr_t)__ pc()) - start;
-
-
-  // The instruction at the verified entry point must be 5 bytes or longer
-  // because it can be patched on the fly by make_non_entrant. The stack bang
-  // instruction fits that requirement.
-
-  // Generate stack overflow check before creating frame
-  __ generate_stack_overflow_check(stack_size);
-
-  assert(((intptr_t)__ pc() - start - vep_offset) >= 5,
-         "valid size for make_non_entrant");
-
-  // Generate a new frame for the wrapper.
-  __ save(SP, -stack_size, SP);
-
-  // Frame is now completed as far a size and linkage.
-
-  int frame_complete = ((intptr_t)__ pc()) - start;
-
-#ifdef ASSERT
-  bool reg_destroyed[RegisterImpl::number_of_registers];
-  bool freg_destroyed[FloatRegisterImpl::number_of_registers];
-  for ( int r = 0 ; r < RegisterImpl::number_of_registers ; r++ ) {
-    reg_destroyed[r] = false;
-  }
-  for ( int f = 0 ; f < FloatRegisterImpl::number_of_registers ; f++ ) {
-    freg_destroyed[f] = false;
-  }
-
-#endif /* ASSERT */
-
-  VMRegPair zero;
-  const Register g0 = G0; // without this we get a compiler warning (why??)
-  zero.set2(g0->as_VMReg());
-
-  int c_arg, j_arg;
-
-  Register conversion_off = noreg;
-
-  for (j_arg = first_arg_to_pass, c_arg = 0 ;
-       j_arg < total_args_passed ; j_arg++, c_arg++ ) {
-
-    VMRegPair src = in_regs[j_arg];
-    VMRegPair dst = out_regs[c_arg];
-
-#ifdef ASSERT
-    if (src.first()->is_Register()) {
-      assert(!reg_destroyed[src.first()->as_Register()->encoding()], "ack!");
-    } else if (src.first()->is_FloatRegister()) {
-      assert(!freg_destroyed[src.first()->as_FloatRegister()->encoding(
-                                               FloatRegisterImpl::S)], "ack!");
-    }
-    if (dst.first()->is_Register()) {
-      reg_destroyed[dst.first()->as_Register()->encoding()] = true;
-    } else if (dst.first()->is_FloatRegister()) {
-      freg_destroyed[dst.first()->as_FloatRegister()->encoding(
-                                                 FloatRegisterImpl::S)] = true;
-    }
-#endif /* ASSERT */
-
-    switch (in_sig_bt[j_arg]) {
-      case T_ARRAY:
-      case T_OBJECT:
-        {
-          if (out_sig_bt[c_arg] == T_BYTE  || out_sig_bt[c_arg] == T_SHORT ||
-              out_sig_bt[c_arg] == T_INT || out_sig_bt[c_arg] == T_LONG) {
-            // need to unbox a one-slot value
-            Register in_reg = L0;
-            Register tmp = L2;
-            if ( src.first()->is_reg() ) {
-              in_reg = src.first()->as_Register();
-            } else {
-              assert(Assembler::is_simm13(reg2offset(src.first()) + STACK_BIAS),
-                     "must be");
-              __ ld_ptr(FP, reg2offset(src.first()) + STACK_BIAS, in_reg);
-            }
-            // If the final destination is an acceptable register
-            if ( dst.first()->is_reg() ) {
-              if ( dst.is_single_phys_reg() || out_sig_bt[c_arg] != T_LONG ) {
-                tmp = dst.first()->as_Register();
-              }
-            }
-
-            Label skipUnbox;
-            if ( wordSize == 4 && out_sig_bt[c_arg] == T_LONG ) {
-              __ mov(G0, tmp->successor());
-            }
-            __ br_null(in_reg, true, Assembler::pn, skipUnbox);
-            __ delayed()->mov(G0, tmp);
-
-            BasicType bt = out_sig_bt[c_arg];
-            int box_offset = java_lang_boxing_object::value_offset_in_bytes(bt);
-            switch (bt) {
-                case T_BYTE:
-                  __ ldub(in_reg, box_offset, tmp); break;
-                case T_SHORT:
-                  __ lduh(in_reg, box_offset, tmp); break;
-                case T_INT:
-                  __ ld(in_reg, box_offset, tmp); break;
-                case T_LONG:
-                  __ ld_long(in_reg, box_offset, tmp); break;
-                default: ShouldNotReachHere();
-            }
-
-            __ bind(skipUnbox);
-            // If tmp wasn't final destination copy to final destination
-            if (tmp == L2) {
-              VMRegPair tmp_as_VM = reg64_to_VMRegPair(L2);
-              if (out_sig_bt[c_arg] == T_LONG) {
-                long_move(masm, tmp_as_VM, dst);
-              } else {
-                move32_64(masm, tmp_as_VM, out_regs[c_arg]);
-              }
-            }
-            if (out_sig_bt[c_arg] == T_LONG) {
-              assert(out_sig_bt[c_arg+1] == T_VOID, "must be");
-              ++c_arg; // move over the T_VOID to keep the loop indices in sync
-            }
-          } else if (out_sig_bt[c_arg] == T_ADDRESS) {
-            Register s =
-                src.first()->is_reg() ? src.first()->as_Register() : L2;
-            Register d =
-                dst.first()->is_reg() ? dst.first()->as_Register() : L2;
-
-            // We store the oop now so that the conversion pass can reach
-            // while in the inner frame. This will be the only store if
-            // the oop is NULL.
-            if (s != L2) {
-              // src is register
-              if (d != L2) {
-                // dst is register
-                __ mov(s, d);
-              } else {
-                assert(Assembler::is_simm13(reg2offset(dst.first()) +
-                          STACK_BIAS), "must be");
-                __ st_ptr(s, SP, reg2offset(dst.first()) + STACK_BIAS);
-              }
-            } else {
-                // src not a register
-                assert(Assembler::is_simm13(reg2offset(src.first()) +
-                           STACK_BIAS), "must be");
-                __ ld_ptr(FP, reg2offset(src.first()) + STACK_BIAS, d);
-                if (d == L2) {
-                  assert(Assembler::is_simm13(reg2offset(dst.first()) +
-                             STACK_BIAS), "must be");
-                  __ st_ptr(d, SP, reg2offset(dst.first()) + STACK_BIAS);
-                }
-            }
-          } else if (out_sig_bt[c_arg] != T_VOID) {
-            // Convert the arg to NULL
-            if (dst.first()->is_reg()) {
-              __ mov(G0, dst.first()->as_Register());
-            } else {
-              assert(Assembler::is_simm13(reg2offset(dst.first()) +
-                         STACK_BIAS), "must be");
-              __ st_ptr(G0, SP, reg2offset(dst.first()) + STACK_BIAS);
-            }
-          }
-        }
-        break;
-      case T_VOID:
-        break;
-
-      case T_FLOAT:
-        if (src.first()->is_stack()) {
-          // Stack to stack/reg is simple
-          move32_64(masm, src, dst);
-        } else {
-          if (dst.first()->is_reg()) {
-            // freg -> reg
-            int off =
-              STACK_BIAS + conversion_temp * VMRegImpl::stack_slot_size;
-            Register d = dst.first()->as_Register();
-            if (Assembler::is_simm13(off)) {
-              __ stf(FloatRegisterImpl::S, src.first()->as_FloatRegister(),
-                     SP, off);
-              __ ld(SP, off, d);
-            } else {
-              if (conversion_off == noreg) {
-                __ set(off, L6);
-                conversion_off = L6;
-              }
-              __ stf(FloatRegisterImpl::S, src.first()->as_FloatRegister(),
-                     SP, conversion_off);
-              __ ld(SP, conversion_off , d);
-            }
-          } else {
-            // freg -> mem
-            int off = STACK_BIAS + reg2offset(dst.first());
-            if (Assembler::is_simm13(off)) {
-              __ stf(FloatRegisterImpl::S, src.first()->as_FloatRegister(),
-                     SP, off);
-            } else {
-              if (conversion_off == noreg) {
-                __ set(off, L6);
-                conversion_off = L6;
-              }
-              __ stf(FloatRegisterImpl::S, src.first()->as_FloatRegister(),
-                     SP, conversion_off);
-            }
-          }
-        }
-        break;
-
-      case T_DOUBLE:
-        assert( j_arg + 1 < total_args_passed &&
-                in_sig_bt[j_arg + 1] == T_VOID &&
-                out_sig_bt[c_arg+1] == T_VOID, "bad arg list");
-        if (src.first()->is_stack()) {
-          // Stack to stack/reg is simple
-          long_move(masm, src, dst);
-        } else {
-          Register d = dst.first()->is_reg() ? dst.first()->as_Register() : L2;
-
-          // Destination could be an odd reg on 32bit in which case
-          // we can't load direct to the destination.
-
-          if (!d->is_even() && wordSize == 4) {
-            d = L2;
-          }
-          int off = STACK_BIAS + conversion_temp * VMRegImpl::stack_slot_size;
-          if (Assembler::is_simm13(off)) {
-            __ stf(FloatRegisterImpl::D, src.first()->as_FloatRegister(),
-                   SP, off);
-            __ ld_long(SP, off, d);
-          } else {
-            if (conversion_off == noreg) {
-              __ set(off, L6);
-              conversion_off = L6;
-            }
-            __ stf(FloatRegisterImpl::D, src.first()->as_FloatRegister(),
-                   SP, conversion_off);
-            __ ld_long(SP, conversion_off, d);
-          }
-          if (d == L2) {
-            long_move(masm, reg64_to_VMRegPair(L2), dst);
-          }
-        }
-        break;
-
-      case T_LONG :
-        // 32bit can't do a split move of something like g1 -> O0, O1
-        // so use a memory temp
-        if (src.is_single_phys_reg() && wordSize == 4) {
-          Register tmp = L2;
-          if (dst.first()->is_reg() &&
-              (wordSize == 8 || dst.first()->as_Register()->is_even())) {
-            tmp = dst.first()->as_Register();
-          }
-
-          int off = STACK_BIAS + conversion_temp * VMRegImpl::stack_slot_size;
-          if (Assembler::is_simm13(off)) {
-            __ stx(src.first()->as_Register(), SP, off);
-            __ ld_long(SP, off, tmp);
-          } else {
-            if (conversion_off == noreg) {
-              __ set(off, L6);
-              conversion_off = L6;
-            }
-            __ stx(src.first()->as_Register(), SP, conversion_off);
-            __ ld_long(SP, conversion_off, tmp);
-          }
-
-          if (tmp == L2) {
-            long_move(masm, reg64_to_VMRegPair(L2), dst);
-          }
-        } else {
-          long_move(masm, src, dst);
-        }
-        break;
-
-      case T_ADDRESS: assert(false, "found T_ADDRESS in java args");
-
-      default:
-        move32_64(masm, src, dst);
-    }
-  }
-
-
-  // If we have any strings we must store any register based arg to the stack
-  // This includes any still live xmm registers too.
-
-  if (total_strings > 0 ) {
-
-    // protect all the arg registers
-    __ save_frame(0);
-    __ mov(G2_thread, L7_thread_cache);
-    const Register L2_string_off = L2;
-
-    // Get first string offset
-    __ set(string_locs * VMRegImpl::stack_slot_size, L2_string_off);
-
-    for (c_arg = 0 ; c_arg < total_c_args ; c_arg++ ) {
-      if (out_sig_bt[c_arg] == T_ADDRESS) {
-
-        VMRegPair dst = out_regs[c_arg];
-        const Register d = dst.first()->is_reg() ?
-            dst.first()->as_Register()->after_save() : noreg;
-
-        // It's a string the oop and it was already copied to the out arg
-        // position
-        if (d != noreg) {
-          __ mov(d, O0);
-        } else {
-          assert(Assembler::is_simm13(reg2offset(dst.first()) + STACK_BIAS),
-                 "must be");
-          __ ld_ptr(FP,  reg2offset(dst.first()) + STACK_BIAS, O0);
-        }
-        Label skip;
-
-        __ br_null(O0, false, Assembler::pn, skip);
-        __ delayed()->add(FP, L2_string_off, O1);
-
-        if (d != noreg) {
-          __ mov(O1, d);
-        } else {
-          assert(Assembler::is_simm13(reg2offset(dst.first()) + STACK_BIAS),
-                 "must be");
-          __ st_ptr(O1, FP,  reg2offset(dst.first()) + STACK_BIAS);
-        }
-
-        __ call(CAST_FROM_FN_PTR(address, SharedRuntime::get_utf),
-                relocInfo::runtime_call_type);
-        __ delayed()->add(L2_string_off, max_dtrace_string_size, L2_string_off);
-
-        __ bind(skip);
-
-      }
-
-    }
-    __ mov(L7_thread_cache, G2_thread);
-    __ restore();
-
-  }
-
-
-  // Ok now we are done. Need to place the nop that dtrace wants in order to
-  // patch in the trap
-
-  int patch_offset = ((intptr_t)__ pc()) - start;
-
-  __ nop();
-
-
-  // Return
-
-  __ ret();
-  __ delayed()->restore();
-
-  __ flush();
-
-  nmethod *nm = nmethod::new_dtrace_nmethod(
-      method, masm->code(), vep_offset, patch_offset, frame_complete,
-      stack_slots / VMRegImpl::slots_per_word);
-  return nm;
-
-}
-
-#endif // HAVE_DTRACE_H
-
 // this function returns the adjust size (in number of words) to a c2i adapter
 // activation for use during deoptimization
 int Deoptimization::last_frame_adjust(int callee_parameters, int callee_locals) {
--- a/src/cpu/sparc/vm/sparc.ad	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/sparc/vm/sparc.ad	Mon Feb 16 08:47:39 2015 -0800
@@ -889,8 +889,6 @@
           !(n->ideal_Opcode()==Op_LoadD_unaligned && ld_op==Op_LoadF) &&
           !(n->ideal_Opcode()==Op_ConvI2F   && ld_op==Op_LoadF) &&
           !(n->ideal_Opcode()==Op_ConvI2D   && ld_op==Op_LoadF) &&
-          !(n->ideal_Opcode()==Op_PrefetchRead  && ld_op==Op_LoadI) &&
-          !(n->ideal_Opcode()==Op_PrefetchWrite && ld_op==Op_LoadI) &&
           !(n->ideal_Opcode()==Op_PrefetchAllocation && ld_op==Op_LoadI) &&
           !(n->ideal_Opcode()==Op_LoadVector && ld_op==Op_LoadD) &&
           !(n->rule() == loadUB_rule)) {
@@ -6316,33 +6314,9 @@
   ins_pipe(loadConFD);
 %}
 
-// Prefetch instructions.
+// Prefetch instructions for allocation.
 // Must be safe to execute with invalid address (cannot fault).
 
-instruct prefetchr( memory mem ) %{
-  match( PrefetchRead mem );
-  ins_cost(MEMORY_REF_COST);
-  size(4);
-
-  format %{ "PREFETCH $mem,0\t! Prefetch read-many" %}
-  opcode(Assembler::prefetch_op3);
-  ins_encode( form3_mem_prefetch_read( mem ) );
-  ins_pipe(iload_mem);
-%}
-
-instruct prefetchw( memory mem ) %{
-  match( PrefetchWrite mem );
-  ins_cost(MEMORY_REF_COST);
-  size(4);
-
-  format %{ "PREFETCH $mem,2\t! Prefetch write-many (and read)" %}
-  opcode(Assembler::prefetch_op3);
-  ins_encode( form3_mem_prefetch_write( mem ) );
-  ins_pipe(iload_mem);
-%}
-
-// Prefetch instructions for allocation.
-
 instruct prefetchAlloc( memory mem ) %{
   predicate(AllocatePrefetchInstr == 0);
   match( PrefetchAllocation mem );
--- a/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1398,50 +1398,6 @@
 }
 
 
-void LIR_Assembler::prefetchr(LIR_Opr src) {
-  LIR_Address* addr = src->as_address_ptr();
-  Address from_addr = as_Address(addr);
-
-  if (VM_Version::supports_sse()) {
-    switch (ReadPrefetchInstr) {
-      case 0:
-        __ prefetchnta(from_addr); break;
-      case 1:
-        __ prefetcht0(from_addr); break;
-      case 2:
-        __ prefetcht2(from_addr); break;
-      default:
-        ShouldNotReachHere(); break;
-    }
-  } else if (VM_Version::supports_3dnow_prefetch()) {
-    __ prefetchr(from_addr);
-  }
-}
-
-
-void LIR_Assembler::prefetchw(LIR_Opr src) {
-  LIR_Address* addr = src->as_address_ptr();
-  Address from_addr = as_Address(addr);
-
-  if (VM_Version::supports_sse()) {
-    switch (AllocatePrefetchInstr) {
-      case 0:
-        __ prefetchnta(from_addr); break;
-      case 1:
-        __ prefetcht0(from_addr); break;
-      case 2:
-        __ prefetcht2(from_addr); break;
-      case 3:
-        __ prefetchw(from_addr); break;
-      default:
-        ShouldNotReachHere(); break;
-    }
-  } else if (VM_Version::supports_3dnow_prefetch()) {
-    __ prefetchw(from_addr);
-  }
-}
-
-
 NEEDS_CLEANUP; // This could be static?
 Address::ScaleFactor LIR_Assembler::array_element_size(BasicType type) const {
   int elem_size = type2aelembytes(type);
--- a/src/cpu/x86/vm/globals_x86.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/x86/vm/globals_x86.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -90,9 +90,6 @@
   product(intx, FenceInstruction, 0,                                        \
           "(Unsafe,Unstable) Experimental")                                 \
                                                                             \
-  product(intx,  ReadPrefetchInstr, 0,                                      \
-          "Prefetch instruction to prefetch ahead")                         \
-                                                                            \
   product(bool, UseStoreImmI16, true,                                       \
           "Use store immediate 16-bits value instruction on x86")           \
                                                                             \
--- a/src/cpu/x86/vm/nativeInst_x86.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/x86/vm/nativeInst_x86.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -602,7 +602,3 @@
   else
     return addr_at(0) + length + sbyte_at(offset);
 }
-
-bool NativeInstruction::is_dtrace_trap() {
-  return (*(int32_t*)this & 0xff) == 0xcc;
-}
--- a/src/cpu/x86/vm/nativeInst_x86.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/x86/vm/nativeInst_x86.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -59,7 +59,6 @@
   };
 
   bool is_nop()                        { return ubyte_at(0) == nop_instruction_code; }
-  bool is_dtrace_trap();
   inline bool is_call();
   inline bool is_illegal();
   inline bool is_return();
--- a/src/cpu/x86/vm/sharedRuntime_x86_32.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/x86/vm/sharedRuntime_x86_32.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -2415,381 +2415,6 @@
 
 }
 
-#ifdef HAVE_DTRACE_H
-// ---------------------------------------------------------------------------
-// Generate a dtrace nmethod for a given signature.  The method takes arguments
-// in the Java compiled code convention, marshals them to the native
-// abi and then leaves nops at the position you would expect to call a native
-// function. When the probe is enabled the nops are replaced with a trap
-// instruction that dtrace inserts and the trace will cause a notification
-// to dtrace.
-//
-// The probes are only able to take primitive types and java/lang/String as
-// arguments.  No other java types are allowed. Strings are converted to utf8
-// strings so that from dtrace point of view java strings are converted to C
-// strings. There is an arbitrary fixed limit on the total space that a method
-// can use for converting the strings. (256 chars per string in the signature).
-// So any java string larger then this is truncated.
-
-nmethod *SharedRuntime::generate_dtrace_nmethod(
-    MacroAssembler *masm, methodHandle method) {
-
-  // generate_dtrace_nmethod is guarded by a mutex so we are sure to
-  // be single threaded in this method.
-  assert(AdapterHandlerLibrary_lock->owned_by_self(), "must be");
-
-  // Fill in the signature array, for the calling-convention call.
-  int total_args_passed = method->size_of_parameters();
-
-  BasicType* in_sig_bt  = NEW_RESOURCE_ARRAY(BasicType, total_args_passed);
-  VMRegPair  *in_regs   = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed);
-
-  // The signature we are going to use for the trap that dtrace will see
-  // java/lang/String is converted. We drop "this" and any other object
-  // is converted to NULL.  (A one-slot java/lang/Long object reference
-  // is converted to a two-slot long, which is why we double the allocation).
-  BasicType* out_sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed * 2);
-  VMRegPair* out_regs   = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed * 2);
-
-  int i=0;
-  int total_strings = 0;
-  int first_arg_to_pass = 0;
-  int total_c_args = 0;
-
-  if( !method->is_static() ) {  // Pass in receiver first
-    in_sig_bt[i++] = T_OBJECT;
-    first_arg_to_pass = 1;
-  }
-
-  // We need to convert the java args to where a native (non-jni) function
-  // would expect them. To figure out where they go we convert the java
-  // signature to a C signature.
-
-  SignatureStream ss(method->signature());
-  for ( ; !ss.at_return_type(); ss.next()) {
-    BasicType bt = ss.type();
-    in_sig_bt[i++] = bt;  // Collect remaining bits of signature
-    out_sig_bt[total_c_args++] = bt;
-    if( bt == T_OBJECT) {
-      Symbol* s = ss.as_symbol_or_null();   // symbol is created
-      if (s == vmSymbols::java_lang_String()) {
-        total_strings++;
-        out_sig_bt[total_c_args-1] = T_ADDRESS;
-      } else if (s == vmSymbols::java_lang_Boolean() ||
-                 s == vmSymbols::java_lang_Character() ||
-                 s == vmSymbols::java_lang_Byte() ||
-                 s == vmSymbols::java_lang_Short() ||
-                 s == vmSymbols::java_lang_Integer() ||
-                 s == vmSymbols::java_lang_Float()) {
-        out_sig_bt[total_c_args-1] = T_INT;
-      } else if (s == vmSymbols::java_lang_Long() ||
-                 s == vmSymbols::java_lang_Double()) {
-        out_sig_bt[total_c_args-1] = T_LONG;
-        out_sig_bt[total_c_args++] = T_VOID;
-      }
-    } else if ( bt == T_LONG || bt == T_DOUBLE ) {
-      in_sig_bt[i++] = T_VOID;   // Longs & doubles take 2 Java slots
-      out_sig_bt[total_c_args++] = T_VOID;
-    }
-  }
-
-  assert(i==total_args_passed, "validly parsed signature");
-
-  // Now get the compiled-Java layout as input arguments
-  int comp_args_on_stack;
-  comp_args_on_stack = SharedRuntime::java_calling_convention(
-      in_sig_bt, in_regs, total_args_passed, false);
-
-  // Now figure out where the args must be stored and how much stack space
-  // they require (neglecting out_preserve_stack_slots).
-
-  int out_arg_slots;
-  out_arg_slots = c_calling_convention(out_sig_bt, out_regs, NULL, total_c_args);
-
-  // Calculate the total number of stack slots we will need.
-
-  // First count the abi requirement plus all of the outgoing args
-  int stack_slots = SharedRuntime::out_preserve_stack_slots() + out_arg_slots;
-
-  // Now space for the string(s) we must convert
-
-  int* string_locs   = NEW_RESOURCE_ARRAY(int, total_strings + 1);
-  for (i = 0; i < total_strings ; i++) {
-    string_locs[i] = stack_slots;
-    stack_slots += max_dtrace_string_size / VMRegImpl::stack_slot_size;
-  }
-
-  // + 2 for return address (which we own) and saved rbp,
-
-  stack_slots += 2;
-
-  // Ok The space we have allocated will look like:
-  //
-  //
-  // FP-> |                     |
-  //      |---------------------|
-  //      | string[n]           |
-  //      |---------------------| <- string_locs[n]
-  //      | string[n-1]         |
-  //      |---------------------| <- string_locs[n-1]
-  //      | ...                 |
-  //      | ...                 |
-  //      |---------------------| <- string_locs[1]
-  //      | string[0]           |
-  //      |---------------------| <- string_locs[0]
-  //      | outbound memory     |
-  //      | based arguments     |
-  //      |                     |
-  //      |---------------------|
-  //      |                     |
-  // SP-> | out_preserved_slots |
-  //
-  //
-
-  // Now compute actual number of stack words we need rounding to make
-  // stack properly aligned.
-  stack_slots = round_to(stack_slots, 2 * VMRegImpl::slots_per_word);
-
-  int stack_size = stack_slots * VMRegImpl::stack_slot_size;
-
-  intptr_t start = (intptr_t)__ pc();
-
-  // First thing make an ic check to see if we should even be here
-
-  // We are free to use all registers as temps without saving them and
-  // restoring them except rbp. rbp, is the only callee save register
-  // as far as the interpreter and the compiler(s) are concerned.
-
-  const Register ic_reg = rax;
-  const Register receiver = rcx;
-  Label hit;
-  Label exception_pending;
-
-
-  __ verify_oop(receiver);
-  __ cmpl(ic_reg, Address(receiver, oopDesc::klass_offset_in_bytes()));
-  __ jcc(Assembler::equal, hit);
-
-  __ jump(RuntimeAddress(SharedRuntime::get_ic_miss_stub()));
-
-  // verified entry must be aligned for code patching.
-  // and the first 5 bytes must be in the same cache line
-  // if we align at 8 then we will be sure 5 bytes are in the same line
-  __ align(8);
-
-  __ bind(hit);
-
-  int vep_offset = ((intptr_t)__ pc()) - start;
-
-
-  // The instruction at the verified entry point must be 5 bytes or longer
-  // because it can be patched on the fly by make_non_entrant. The stack bang
-  // instruction fits that requirement.
-
-  // Generate stack overflow check
-
-
-  if (UseStackBanging) {
-    if (stack_size <= StackShadowPages*os::vm_page_size()) {
-      __ bang_stack_with_offset(StackShadowPages*os::vm_page_size());
-    } else {
-      __ movl(rax, stack_size);
-      __ bang_stack_size(rax, rbx);
-    }
-  } else {
-    // need a 5 byte instruction to allow MT safe patching to non-entrant
-    __ fat_nop();
-  }
-
-  assert(((int)__ pc() - start - vep_offset) >= 5,
-         "valid size for make_non_entrant");
-
-  // Generate a new frame for the wrapper.
-  __ enter();
-
-  // -2 because return address is already present and so is saved rbp,
-  if (stack_size - 2*wordSize != 0) {
-    __ subl(rsp, stack_size - 2*wordSize);
-  }
-
-  // Frame is now completed as far a size and linkage.
-
-  int frame_complete = ((intptr_t)__ pc()) - start;
-
-  // First thing we do store all the args as if we are doing the call.
-  // Since the C calling convention is stack based that ensures that
-  // all the Java register args are stored before we need to convert any
-  // string we might have.
-
-  int sid = 0;
-  int c_arg, j_arg;
-  int string_reg = 0;
-
-  for (j_arg = first_arg_to_pass, c_arg = 0 ;
-       j_arg < total_args_passed ; j_arg++, c_arg++ ) {
-
-    VMRegPair src = in_regs[j_arg];
-    VMRegPair dst = out_regs[c_arg];
-    assert(dst.first()->is_stack() || in_sig_bt[j_arg] == T_VOID,
-           "stack based abi assumed");
-
-    switch (in_sig_bt[j_arg]) {
-
-      case T_ARRAY:
-      case T_OBJECT:
-        if (out_sig_bt[c_arg] == T_ADDRESS) {
-          // Any register based arg for a java string after the first
-          // will be destroyed by the call to get_utf so we store
-          // the original value in the location the utf string address
-          // will eventually be stored.
-          if (src.first()->is_reg()) {
-            if (string_reg++ != 0) {
-              simple_move32(masm, src, dst);
-            }
-          }
-        } else if (out_sig_bt[c_arg] == T_INT || out_sig_bt[c_arg] == T_LONG) {
-          // need to unbox a one-word value
-          Register in_reg = rax;
-          if ( src.first()->is_reg() ) {
-            in_reg = src.first()->as_Register();
-          } else {
-            simple_move32(masm, src, in_reg->as_VMReg());
-          }
-          Label skipUnbox;
-          __ movl(Address(rsp, reg2offset_out(dst.first())), NULL_WORD);
-          if ( out_sig_bt[c_arg] == T_LONG ) {
-            __ movl(Address(rsp, reg2offset_out(dst.second())), NULL_WORD);
-          }
-          __ testl(in_reg, in_reg);
-          __ jcc(Assembler::zero, skipUnbox);
-          assert(dst.first()->is_stack() &&
-                 (!dst.second()->is_valid() || dst.second()->is_stack()),
-                 "value(s) must go into stack slots");
-
-          BasicType bt = out_sig_bt[c_arg];
-          int box_offset = java_lang_boxing_object::value_offset_in_bytes(bt);
-          if ( bt == T_LONG ) {
-            __ movl(rbx, Address(in_reg,
-                                 box_offset + VMRegImpl::stack_slot_size));
-            __ movl(Address(rsp, reg2offset_out(dst.second())), rbx);
-          }
-          __ movl(in_reg,  Address(in_reg, box_offset));
-          __ movl(Address(rsp, reg2offset_out(dst.first())), in_reg);
-          __ bind(skipUnbox);
-        } else {
-          // Convert the arg to NULL
-          __ movl(Address(rsp, reg2offset_out(dst.first())), NULL_WORD);
-        }
-        if (out_sig_bt[c_arg] == T_LONG) {
-          assert(out_sig_bt[c_arg+1] == T_VOID, "must be");
-          ++c_arg; // Move over the T_VOID To keep the loop indices in sync
-        }
-        break;
-
-      case T_VOID:
-        break;
-
-      case T_FLOAT:
-        float_move(masm, src, dst);
-        break;
-
-      case T_DOUBLE:
-        assert( j_arg + 1 < total_args_passed &&
-                in_sig_bt[j_arg + 1] == T_VOID, "bad arg list");
-        double_move(masm, src, dst);
-        break;
-
-      case T_LONG :
-        long_move(masm, src, dst);
-        break;
-
-      case T_ADDRESS: assert(false, "found T_ADDRESS in java args");
-
-      default:
-        simple_move32(masm, src, dst);
-    }
-  }
-
-  // Now we must convert any string we have to utf8
-  //
-
-  for (sid = 0, j_arg = first_arg_to_pass, c_arg = 0 ;
-       sid < total_strings ; j_arg++, c_arg++ ) {
-
-    if (out_sig_bt[c_arg] == T_ADDRESS) {
-
-      Address utf8_addr = Address(
-          rsp, string_locs[sid++] * VMRegImpl::stack_slot_size);
-      __ leal(rax, utf8_addr);
-
-      // The first string we find might still be in the original java arg
-      // register
-      VMReg orig_loc = in_regs[j_arg].first();
-      Register string_oop;
-
-      // This is where the argument will eventually reside
-      Address dest = Address(rsp, reg2offset_out(out_regs[c_arg].first()));
-
-      if (sid == 1 && orig_loc->is_reg()) {
-        string_oop = orig_loc->as_Register();
-        assert(string_oop != rax, "smashed arg");
-      } else {
-
-        if (orig_loc->is_reg()) {
-          // Get the copy of the jls object
-          __ movl(rcx, dest);
-        } else {
-          // arg is still in the original location
-          __ movl(rcx, Address(rbp, reg2offset_in(orig_loc)));
-        }
-        string_oop = rcx;
-
-      }
-      Label nullString;
-      __ movl(dest, NULL_WORD);
-      __ testl(string_oop, string_oop);
-      __ jcc(Assembler::zero, nullString);
-
-      // Now we can store the address of the utf string as the argument
-      __ movl(dest, rax);
-
-      // And do the conversion
-      __ call_VM_leaf(CAST_FROM_FN_PTR(
-             address, SharedRuntime::get_utf), string_oop, rax);
-      __ bind(nullString);
-    }
-
-    if (in_sig_bt[j_arg] == T_OBJECT && out_sig_bt[c_arg] == T_LONG) {
-      assert(out_sig_bt[c_arg+1] == T_VOID, "must be");
-      ++c_arg; // Move over the T_VOID To keep the loop indices in sync
-    }
-  }
-
-
-  // Ok now we are done. Need to place the nop that dtrace wants in order to
-  // patch in the trap
-
-  int patch_offset = ((intptr_t)__ pc()) - start;
-
-  __ nop();
-
-
-  // Return
-
-  __ leave();
-  __ ret(0);
-
-  __ flush();
-
-  nmethod *nm = nmethod::new_dtrace_nmethod(
-      method, masm->code(), vep_offset, patch_offset, frame_complete,
-      stack_slots / VMRegImpl::slots_per_word);
-  return nm;
-
-}
-
-#endif // HAVE_DTRACE_H
-
 // this function returns the adjust size (in number of words) to a c2i adapter
 // activation for use during deoptimization
 int Deoptimization::last_frame_adjust(int callee_parameters, int callee_locals ) {
--- a/src/cpu/x86/vm/sharedRuntime_x86_64.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/x86/vm/sharedRuntime_x86_64.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -2650,630 +2650,6 @@
 
 }
 
-#ifdef HAVE_DTRACE_H
-// ---------------------------------------------------------------------------
-// Generate a dtrace nmethod for a given signature.  The method takes arguments
-// in the Java compiled code convention, marshals them to the native
-// abi and then leaves nops at the position you would expect to call a native
-// function. When the probe is enabled the nops are replaced with a trap
-// instruction that dtrace inserts and the trace will cause a notification
-// to dtrace.
-//
-// The probes are only able to take primitive types and java/lang/String as
-// arguments.  No other java types are allowed. Strings are converted to utf8
-// strings so that from dtrace point of view java strings are converted to C
-// strings. There is an arbitrary fixed limit on the total space that a method
-// can use for converting the strings. (256 chars per string in the signature).
-// So any java string larger then this is truncated.
-
-static int  fp_offset[ConcreteRegisterImpl::number_of_registers] = { 0 };
-static bool offsets_initialized = false;
-
-
-nmethod *SharedRuntime::generate_dtrace_nmethod(MacroAssembler *masm,
-                                                methodHandle method) {
-
-
-  // generate_dtrace_nmethod is guarded by a mutex so we are sure to
-  // be single threaded in this method.
-  assert(AdapterHandlerLibrary_lock->owned_by_self(), "must be");
-
-  if (!offsets_initialized) {
-    fp_offset[c_rarg0->as_VMReg()->value()] = -1 * wordSize;
-    fp_offset[c_rarg1->as_VMReg()->value()] = -2 * wordSize;
-    fp_offset[c_rarg2->as_VMReg()->value()] = -3 * wordSize;
-    fp_offset[c_rarg3->as_VMReg()->value()] = -4 * wordSize;
-    fp_offset[c_rarg4->as_VMReg()->value()] = -5 * wordSize;
-    fp_offset[c_rarg5->as_VMReg()->value()] = -6 * wordSize;
-
-    fp_offset[c_farg0->as_VMReg()->value()] = -7 * wordSize;
-    fp_offset[c_farg1->as_VMReg()->value()] = -8 * wordSize;
-    fp_offset[c_farg2->as_VMReg()->value()] = -9 * wordSize;
-    fp_offset[c_farg3->as_VMReg()->value()] = -10 * wordSize;
-    fp_offset[c_farg4->as_VMReg()->value()] = -11 * wordSize;
-    fp_offset[c_farg5->as_VMReg()->value()] = -12 * wordSize;
-    fp_offset[c_farg6->as_VMReg()->value()] = -13 * wordSize;
-    fp_offset[c_farg7->as_VMReg()->value()] = -14 * wordSize;
-
-    offsets_initialized = true;
-  }
-  // Fill in the signature array, for the calling-convention call.
-  int total_args_passed = method->size_of_parameters();
-
-  BasicType* in_sig_bt  = NEW_RESOURCE_ARRAY(BasicType, total_args_passed);
-  VMRegPair  *in_regs   = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed);
-
-  // The signature we are going to use for the trap that dtrace will see
-  // java/lang/String is converted. We drop "this" and any other object
-  // is converted to NULL.  (A one-slot java/lang/Long object reference
-  // is converted to a two-slot long, which is why we double the allocation).
-  BasicType* out_sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed * 2);
-  VMRegPair* out_regs   = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed * 2);
-
-  int i=0;
-  int total_strings = 0;
-  int first_arg_to_pass = 0;
-  int total_c_args = 0;
-
-  // Skip the receiver as dtrace doesn't want to see it
-  if( !method->is_static() ) {
-    in_sig_bt[i++] = T_OBJECT;
-    first_arg_to_pass = 1;
-  }
-
-  // We need to convert the java args to where a native (non-jni) function
-  // would expect them. To figure out where they go we convert the java
-  // signature to a C signature.
-
-  SignatureStream ss(method->signature());
-  for ( ; !ss.at_return_type(); ss.next()) {
-    BasicType bt = ss.type();
-    in_sig_bt[i++] = bt;  // Collect remaining bits of signature
-    out_sig_bt[total_c_args++] = bt;
-    if( bt == T_OBJECT) {
-      Symbol* s = ss.as_symbol_or_null();   // symbol is created
-      if (s == vmSymbols::java_lang_String()) {
-        total_strings++;
-        out_sig_bt[total_c_args-1] = T_ADDRESS;
-      } else if (s == vmSymbols::java_lang_Boolean() ||
-                 s == vmSymbols::java_lang_Character() ||
-                 s == vmSymbols::java_lang_Byte() ||
-                 s == vmSymbols::java_lang_Short() ||
-                 s == vmSymbols::java_lang_Integer() ||
-                 s == vmSymbols::java_lang_Float()) {
-        out_sig_bt[total_c_args-1] = T_INT;
-      } else if (s == vmSymbols::java_lang_Long() ||
-                 s == vmSymbols::java_lang_Double()) {
-        out_sig_bt[total_c_args-1] = T_LONG;
-        out_sig_bt[total_c_args++] = T_VOID;
-      }
-    } else if ( bt == T_LONG || bt == T_DOUBLE ) {
-      in_sig_bt[i++] = T_VOID;   // Longs & doubles take 2 Java slots
-      // We convert double to long
-      out_sig_bt[total_c_args-1] = T_LONG;
-      out_sig_bt[total_c_args++] = T_VOID;
-    } else if ( bt == T_FLOAT) {
-      // We convert float to int
-      out_sig_bt[total_c_args-1] = T_INT;
-    }
-  }
-
-  assert(i==total_args_passed, "validly parsed signature");
-
-  // Now get the compiled-Java layout as input arguments
-  int comp_args_on_stack;
-  comp_args_on_stack = SharedRuntime::java_calling_convention(
-      in_sig_bt, in_regs, total_args_passed, false);
-
-  // Now figure out where the args must be stored and how much stack space
-  // they require (neglecting out_preserve_stack_slots but space for storing
-  // the 1st six register arguments). It's weird see int_stk_helper.
-
-  int out_arg_slots;
-  out_arg_slots = c_calling_convention(out_sig_bt, out_regs, NULL, total_c_args);
-
-  // Calculate the total number of stack slots we will need.
-
-  // First count the abi requirement plus all of the outgoing args
-  int stack_slots = SharedRuntime::out_preserve_stack_slots() + out_arg_slots;
-
-  // Now space for the string(s) we must convert
-  int* string_locs   = NEW_RESOURCE_ARRAY(int, total_strings + 1);
-  for (i = 0; i < total_strings ; i++) {
-    string_locs[i] = stack_slots;
-    stack_slots += max_dtrace_string_size / VMRegImpl::stack_slot_size;
-  }
-
-  // Plus the temps we might need to juggle register args
-  // regs take two slots each
-  stack_slots += (Argument::n_int_register_parameters_c +
-                  Argument::n_float_register_parameters_c) * 2;
-
-
-  // + 4 for return address (which we own) and saved rbp,
-
-  stack_slots += 4;
-
-  // Ok The space we have allocated will look like:
-  //
-  //
-  // FP-> |                     |
-  //      |---------------------|
-  //      | string[n]           |
-  //      |---------------------| <- string_locs[n]
-  //      | string[n-1]         |
-  //      |---------------------| <- string_locs[n-1]
-  //      | ...                 |
-  //      | ...                 |
-  //      |---------------------| <- string_locs[1]
-  //      | string[0]           |
-  //      |---------------------| <- string_locs[0]
-  //      | outbound memory     |
-  //      | based arguments     |
-  //      |                     |
-  //      |---------------------|
-  //      |                     |
-  // SP-> | out_preserved_slots |
-  //
-  //
-
-  // Now compute actual number of stack words we need rounding to make
-  // stack properly aligned.
-  stack_slots = round_to(stack_slots, 4 * VMRegImpl::slots_per_word);
-
-  int stack_size = stack_slots * VMRegImpl::stack_slot_size;
-
-  intptr_t start = (intptr_t)__ pc();
-
-  // First thing make an ic check to see if we should even be here
-
-  // We are free to use all registers as temps without saving them and
-  // restoring them except rbp. rbp, is the only callee save register
-  // as far as the interpreter and the compiler(s) are concerned.
-
-  const Register ic_reg = rax;
-  const Register receiver = rcx;
-  Label hit;
-  Label exception_pending;
-
-
-  __ verify_oop(receiver);
-  __ cmpl(ic_reg, Address(receiver, oopDesc::klass_offset_in_bytes()));
-  __ jcc(Assembler::equal, hit);
-
-  __ jump(RuntimeAddress(SharedRuntime::get_ic_miss_stub()));
-
-  // verified entry must be aligned for code patching.
-  // and the first 5 bytes must be in the same cache line
-  // if we align at 8 then we will be sure 5 bytes are in the same line
-  __ align(8);
-
-  __ bind(hit);
-
-  int vep_offset = ((intptr_t)__ pc()) - start;
-
-
-  // The instruction at the verified entry point must be 5 bytes or longer
-  // because it can be patched on the fly by make_non_entrant. The stack bang
-  // instruction fits that requirement.
-
-  // Generate stack overflow check
-
-  if (UseStackBanging) {
-    if (stack_size <= StackShadowPages*os::vm_page_size()) {
-      __ bang_stack_with_offset(StackShadowPages*os::vm_page_size());
-    } else {
-      __ movl(rax, stack_size);
-      __ bang_stack_size(rax, rbx);
-    }
-  } else {
-    // need a 5 byte instruction to allow MT safe patching to non-entrant
-    __ fat_nop();
-  }
-
-  assert(((uintptr_t)__ pc() - start - vep_offset) >= 5,
-         "valid size for make_non_entrant");
-
-  // Generate a new frame for the wrapper.
-  __ enter();
-
-  // -4 because return address is already present and so is saved rbp,
-  if (stack_size - 2*wordSize != 0) {
-    __ subq(rsp, stack_size - 2*wordSize);
-  }
-
-  // Frame is now completed as far a size and linkage.
-
-  int frame_complete = ((intptr_t)__ pc()) - start;
-
-  int c_arg, j_arg;
-
-  // State of input register args
-
-  bool  live[ConcreteRegisterImpl::number_of_registers];
-
-  live[j_rarg0->as_VMReg()->value()] = false;
-  live[j_rarg1->as_VMReg()->value()] = false;
-  live[j_rarg2->as_VMReg()->value()] = false;
-  live[j_rarg3->as_VMReg()->value()] = false;
-  live[j_rarg4->as_VMReg()->value()] = false;
-  live[j_rarg5->as_VMReg()->value()] = false;
-
-  live[j_farg0->as_VMReg()->value()] = false;
-  live[j_farg1->as_VMReg()->value()] = false;
-  live[j_farg2->as_VMReg()->value()] = false;
-  live[j_farg3->as_VMReg()->value()] = false;
-  live[j_farg4->as_VMReg()->value()] = false;
-  live[j_farg5->as_VMReg()->value()] = false;
-  live[j_farg6->as_VMReg()->value()] = false;
-  live[j_farg7->as_VMReg()->value()] = false;
-
-
-  bool rax_is_zero = false;
-
-  // All args (except strings) destined for the stack are moved first
-  for (j_arg = first_arg_to_pass, c_arg = 0 ;
-       j_arg < total_args_passed ; j_arg++, c_arg++ ) {
-    VMRegPair src = in_regs[j_arg];
-    VMRegPair dst = out_regs[c_arg];
-
-    // Get the real reg value or a dummy (rsp)
-
-    int src_reg = src.first()->is_reg() ?
-                  src.first()->value() :
-                  rsp->as_VMReg()->value();
-
-    bool useless =  in_sig_bt[j_arg] == T_ARRAY ||
-                    (in_sig_bt[j_arg] == T_OBJECT &&
-                     out_sig_bt[c_arg] != T_INT &&
-                     out_sig_bt[c_arg] != T_ADDRESS &&
-                     out_sig_bt[c_arg] != T_LONG);
-
-    live[src_reg] = !useless;
-
-    if (dst.first()->is_stack()) {
-
-      // Even though a string arg in a register is still live after this loop
-      // after the string conversion loop (next) it will be dead so we take
-      // advantage of that now for simpler code to manage live.
-
-      live[src_reg] = false;
-      switch (in_sig_bt[j_arg]) {
-
-        case T_ARRAY:
-        case T_OBJECT:
-          {
-            Address stack_dst(rsp, reg2offset_out(dst.first()));
-
-            if (out_sig_bt[c_arg] == T_INT || out_sig_bt[c_arg] == T_LONG) {
-              // need to unbox a one-word value
-              Register in_reg = rax;
-              if ( src.first()->is_reg() ) {
-                in_reg = src.first()->as_Register();
-              } else {
-                __ movq(rax, Address(rbp, reg2offset_in(src.first())));
-                rax_is_zero = false;
-              }
-              Label skipUnbox;
-              __ movptr(Address(rsp, reg2offset_out(dst.first())),
-                        (int32_t)NULL_WORD);
-              __ testq(in_reg, in_reg);
-              __ jcc(Assembler::zero, skipUnbox);
-
-              BasicType bt = out_sig_bt[c_arg];
-              int box_offset = java_lang_boxing_object::value_offset_in_bytes(bt);
-              Address src1(in_reg, box_offset);
-              if ( bt == T_LONG ) {
-                __ movq(in_reg,  src1);
-                __ movq(stack_dst, in_reg);
-                assert(out_sig_bt[c_arg+1] == T_VOID, "must be");
-                ++c_arg; // skip over T_VOID to keep the loop indices in sync
-              } else {
-                __ movl(in_reg,  src1);
-                __ movl(stack_dst, in_reg);
-              }
-
-              __ bind(skipUnbox);
-            } else if (out_sig_bt[c_arg] != T_ADDRESS) {
-              // Convert the arg to NULL
-              if (!rax_is_zero) {
-                __ xorq(rax, rax);
-                rax_is_zero = true;
-              }
-              __ movq(stack_dst, rax);
-            }
-          }
-          break;
-
-        case T_VOID:
-          break;
-
-        case T_FLOAT:
-          // This does the right thing since we know it is destined for the
-          // stack
-          float_move(masm, src, dst);
-          break;
-
-        case T_DOUBLE:
-          // This does the right thing since we know it is destined for the
-          // stack
-          double_move(masm, src, dst);
-          break;
-
-        case T_LONG :
-          long_move(masm, src, dst);
-          break;
-
-        case T_ADDRESS: assert(false, "found T_ADDRESS in java args");
-
-        default:
-          move32_64(masm, src, dst);
-      }
-    }
-
-  }
-
-  // If we have any strings we must store any register based arg to the stack
-  // This includes any still live xmm registers too.
-
-  int sid = 0;
-
-  if (total_strings > 0 ) {
-    for (j_arg = first_arg_to_pass, c_arg = 0 ;
-         j_arg < total_args_passed ; j_arg++, c_arg++ ) {
-      VMRegPair src = in_regs[j_arg];
-      VMRegPair dst = out_regs[c_arg];
-
-      if (src.first()->is_reg()) {
-        Address src_tmp(rbp, fp_offset[src.first()->value()]);
-
-        // string oops were left untouched by the previous loop even if the
-        // eventual (converted) arg is destined for the stack so park them
-        // away now (except for first)
-
-        if (out_sig_bt[c_arg] == T_ADDRESS) {
-          Address utf8_addr = Address(
-              rsp, string_locs[sid++] * VMRegImpl::stack_slot_size);
-          if (sid != 1) {
-            // The first string arg won't be killed until after the utf8
-            // conversion
-            __ movq(utf8_addr, src.first()->as_Register());
-          }
-        } else if (dst.first()->is_reg()) {
-          if (in_sig_bt[j_arg] == T_FLOAT || in_sig_bt[j_arg] == T_DOUBLE) {
-
-            // Convert the xmm register to an int and store it in the reserved
-            // location for the eventual c register arg
-            XMMRegister f = src.first()->as_XMMRegister();
-            if (in_sig_bt[j_arg] == T_FLOAT) {
-              __ movflt(src_tmp, f);
-            } else {
-              __ movdbl(src_tmp, f);
-            }
-          } else {
-            // If the arg is an oop type we don't support don't bother to store
-            // it remember string was handled above.
-            bool useless =  in_sig_bt[j_arg] == T_ARRAY ||
-                            (in_sig_bt[j_arg] == T_OBJECT &&
-                             out_sig_bt[c_arg] != T_INT &&
-                             out_sig_bt[c_arg] != T_LONG);
-
-            if (!useless) {
-              __ movq(src_tmp, src.first()->as_Register());
-            }
-          }
-        }
-      }
-      if (in_sig_bt[j_arg] == T_OBJECT && out_sig_bt[c_arg] == T_LONG) {
-        assert(out_sig_bt[c_arg+1] == T_VOID, "must be");
-        ++c_arg; // skip over T_VOID to keep the loop indices in sync
-      }
-    }
-
-    // Now that the volatile registers are safe, convert all the strings
-    sid = 0;
-
-    for (j_arg = first_arg_to_pass, c_arg = 0 ;
-         j_arg < total_args_passed ; j_arg++, c_arg++ ) {
-      if (out_sig_bt[c_arg] == T_ADDRESS) {
-        // It's a string
-        Address utf8_addr = Address(
-            rsp, string_locs[sid++] * VMRegImpl::stack_slot_size);
-        // The first string we find might still be in the original java arg
-        // register
-
-        VMReg src = in_regs[j_arg].first();
-
-        // We will need to eventually save the final argument to the trap
-        // in the von-volatile location dedicated to src. This is the offset
-        // from fp we will use.
-        int src_off = src->is_reg() ?
-            fp_offset[src->value()] : reg2offset_in(src);
-
-        // This is where the argument will eventually reside
-        VMRegPair dst = out_regs[c_arg];
-
-        if (src->is_reg()) {
-          if (sid == 1) {
-            __ movq(c_rarg0, src->as_Register());
-          } else {
-            __ movq(c_rarg0, utf8_addr);
-          }
-        } else {
-          // arg is still in the original location
-          __ movq(c_rarg0, Address(rbp, reg2offset_in(src)));
-        }
-        Label done, convert;
-
-        // see if the oop is NULL
-        __ testq(c_rarg0, c_rarg0);
-        __ jcc(Assembler::notEqual, convert);
-
-        if (dst.first()->is_reg()) {
-          // Save the ptr to utf string in the origina src loc or the tmp
-          // dedicated to it
-          __ movq(Address(rbp, src_off), c_rarg0);
-        } else {
-          __ movq(Address(rsp, reg2offset_out(dst.first())), c_rarg0);
-        }
-        __ jmp(done);
-
-        __ bind(convert);
-
-        __ lea(c_rarg1, utf8_addr);
-        if (dst.first()->is_reg()) {
-          __ movq(Address(rbp, src_off), c_rarg1);
-        } else {
-          __ movq(Address(rsp, reg2offset_out(dst.first())), c_rarg1);
-        }
-        // And do the conversion
-        __ call(RuntimeAddress(
-                CAST_FROM_FN_PTR(address, SharedRuntime::get_utf)));
-
-        __ bind(done);
-      }
-      if (in_sig_bt[j_arg] == T_OBJECT && out_sig_bt[c_arg] == T_LONG) {
-        assert(out_sig_bt[c_arg+1] == T_VOID, "must be");
-        ++c_arg; // skip over T_VOID to keep the loop indices in sync
-      }
-    }
-    // The get_utf call killed all the c_arg registers
-    live[c_rarg0->as_VMReg()->value()] = false;
-    live[c_rarg1->as_VMReg()->value()] = false;
-    live[c_rarg2->as_VMReg()->value()] = false;
-    live[c_rarg3->as_VMReg()->value()] = false;
-    live[c_rarg4->as_VMReg()->value()] = false;
-    live[c_rarg5->as_VMReg()->value()] = false;
-
-    live[c_farg0->as_VMReg()->value()] = false;
-    live[c_farg1->as_VMReg()->value()] = false;
-    live[c_farg2->as_VMReg()->value()] = false;
-    live[c_farg3->as_VMReg()->value()] = false;
-    live[c_farg4->as_VMReg()->value()] = false;
-    live[c_farg5->as_VMReg()->value()] = false;
-    live[c_farg6->as_VMReg()->value()] = false;
-    live[c_farg7->as_VMReg()->value()] = false;
-  }
-
-  // Now we can finally move the register args to their desired locations
-
-  rax_is_zero = false;
-
-  for (j_arg = first_arg_to_pass, c_arg = 0 ;
-       j_arg < total_args_passed ; j_arg++, c_arg++ ) {
-
-    VMRegPair src = in_regs[j_arg];
-    VMRegPair dst = out_regs[c_arg];
-
-    // Only need to look for args destined for the interger registers (since we
-    // convert float/double args to look like int/long outbound)
-    if (dst.first()->is_reg()) {
-      Register r =  dst.first()->as_Register();
-
-      // Check if the java arg is unsupported and thereofre useless
-      bool useless =  in_sig_bt[j_arg] == T_ARRAY ||
-                      (in_sig_bt[j_arg] == T_OBJECT &&
-                       out_sig_bt[c_arg] != T_INT &&
-                       out_sig_bt[c_arg] != T_ADDRESS &&
-                       out_sig_bt[c_arg] != T_LONG);
-
-
-      // If we're going to kill an existing arg save it first
-      if (live[dst.first()->value()]) {
-        // you can't kill yourself
-        if (src.first() != dst.first()) {
-          __ movq(Address(rbp, fp_offset[dst.first()->value()]), r);
-        }
-      }
-      if (src.first()->is_reg()) {
-        if (live[src.first()->value()] ) {
-          if (in_sig_bt[j_arg] == T_FLOAT) {
-            __ movdl(r, src.first()->as_XMMRegister());
-          } else if (in_sig_bt[j_arg] == T_DOUBLE) {
-            __ movdq(r, src.first()->as_XMMRegister());
-          } else if (r != src.first()->as_Register()) {
-            if (!useless) {
-              __ movq(r, src.first()->as_Register());
-            }
-          }
-        } else {
-          // If the arg is an oop type we don't support don't bother to store
-          // it
-          if (!useless) {
-            if (in_sig_bt[j_arg] == T_DOUBLE ||
-                in_sig_bt[j_arg] == T_LONG  ||
-                in_sig_bt[j_arg] == T_OBJECT ) {
-              __ movq(r, Address(rbp, fp_offset[src.first()->value()]));
-            } else {
-              __ movl(r, Address(rbp, fp_offset[src.first()->value()]));
-            }
-          }
-        }
-        live[src.first()->value()] = false;
-      } else if (!useless) {
-        // full sized move even for int should be ok
-        __ movq(r, Address(rbp, reg2offset_in(src.first())));
-      }
-
-      // At this point r has the original java arg in the final location
-      // (assuming it wasn't useless). If the java arg was an oop
-      // we have a bit more to do
-
-      if (in_sig_bt[j_arg] == T_ARRAY || in_sig_bt[j_arg] == T_OBJECT ) {
-        if (out_sig_bt[c_arg] == T_INT || out_sig_bt[c_arg] == T_LONG) {
-          // need to unbox a one-word value
-          Label skip;
-          __ testq(r, r);
-          __ jcc(Assembler::equal, skip);
-          BasicType bt = out_sig_bt[c_arg];
-          int box_offset = java_lang_boxing_object::value_offset_in_bytes(bt);
-          Address src1(r, box_offset);
-          if ( bt == T_LONG ) {
-            __ movq(r, src1);
-          } else {
-            __ movl(r, src1);
-          }
-          __ bind(skip);
-
-        } else if (out_sig_bt[c_arg] != T_ADDRESS) {
-          // Convert the arg to NULL
-          __ xorq(r, r);
-        }
-      }
-
-      // dst can longer be holding an input value
-      live[dst.first()->value()] = false;
-    }
-    if (in_sig_bt[j_arg] == T_OBJECT && out_sig_bt[c_arg] == T_LONG) {
-      assert(out_sig_bt[c_arg+1] == T_VOID, "must be");
-      ++c_arg; // skip over T_VOID to keep the loop indices in sync
-    }
-  }
-
-
-  // Ok now we are done. Need to place the nop that dtrace wants in order to
-  // patch in the trap
-  int patch_offset = ((intptr_t)__ pc()) - start;
-
-  __ nop();
-
-
-  // Return
-
-  __ leave();
-  __ ret(0);
-
-  __ flush();
-
-  nmethod *nm = nmethod::new_dtrace_nmethod(
-      method, masm->code(), vep_offset, patch_offset, frame_complete,
-      stack_slots / VMRegImpl::slots_per_word);
-  return nm;
-
-}
-
-#endif // HAVE_DTRACE_H
-
 // this function returns the adjust size (in number of words) to a c2i adapter
 // activation for use during deoptimization
 int Deoptimization::last_frame_adjust(int callee_parameters, int callee_locals ) {
--- a/src/cpu/x86/vm/vm_version_x86.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/x86/vm/vm_version_x86.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -924,15 +924,9 @@
   }
 #endif // COMPILER2
 
-  assert(0 <= ReadPrefetchInstr && ReadPrefetchInstr <= 3, "invalid value");
   assert(0 <= AllocatePrefetchInstr && AllocatePrefetchInstr <= 3, "invalid value");
 
   // set valid Prefetch instruction
-  if( ReadPrefetchInstr < 0 ) ReadPrefetchInstr = 0;
-  if( ReadPrefetchInstr > 3 ) ReadPrefetchInstr = 3;
-  if( ReadPrefetchInstr == 3 && !supports_3dnow_prefetch() ) ReadPrefetchInstr = 0;
-  if( !supports_sse() && supports_3dnow_prefetch() ) ReadPrefetchInstr = 3;
-
   if( AllocatePrefetchInstr < 0 ) AllocatePrefetchInstr = 0;
   if( AllocatePrefetchInstr > 3 ) AllocatePrefetchInstr = 3;
   if( AllocatePrefetchInstr == 3 && !supports_3dnow_prefetch() ) AllocatePrefetchInstr=0;
--- a/src/cpu/x86/vm/x86_32.ad	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/x86/vm/x86_32.ad	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+// Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 //
 // This code is free software; you can redistribute it and/or modify it
@@ -6061,103 +6061,9 @@
   ins_pipe( fpu_reg_mem );
 %}
 
-// Prefetch instructions.
+// Prefetch instructions for allocation.
 // Must be safe to execute with invalid address (cannot fault).
 
-instruct prefetchr0( memory mem ) %{
-  predicate(UseSSE==0 && !VM_Version::supports_3dnow_prefetch());
-  match(PrefetchRead mem);
-  ins_cost(0);
-  size(0);
-  format %{ "PREFETCHR (non-SSE is empty encoding)" %}
-  ins_encode();
-  ins_pipe(empty);
-%}
-
-instruct prefetchr( memory mem ) %{
-  predicate(UseSSE==0 && VM_Version::supports_3dnow_prefetch() || ReadPrefetchInstr==3);
-  match(PrefetchRead mem);
-  ins_cost(100);
-
-  format %{ "PREFETCHR $mem\t! Prefetch into level 1 cache for read" %}
-  ins_encode %{
-    __ prefetchr($mem$$Address);
-  %}
-  ins_pipe(ialu_mem);
-%}
-
-instruct prefetchrNTA( memory mem ) %{
-  predicate(UseSSE>=1 && ReadPrefetchInstr==0);
-  match(PrefetchRead mem);
-  ins_cost(100);
-
-  format %{ "PREFETCHNTA $mem\t! Prefetch into non-temporal cache for read" %}
-  ins_encode %{
-    __ prefetchnta($mem$$Address);
-  %}
-  ins_pipe(ialu_mem);
-%}
-
-instruct prefetchrT0( memory mem ) %{
-  predicate(UseSSE>=1 && ReadPrefetchInstr==1);
-  match(PrefetchRead mem);
-  ins_cost(100);
-
-  format %{ "PREFETCHT0 $mem\t! Prefetch into L1 and L2 caches for read" %}
-  ins_encode %{
-    __ prefetcht0($mem$$Address);
-  %}
-  ins_pipe(ialu_mem);
-%}
-
-instruct prefetchrT2( memory mem ) %{
-  predicate(UseSSE>=1 && ReadPrefetchInstr==2);
-  match(PrefetchRead mem);
-  ins_cost(100);
-
-  format %{ "PREFETCHT2 $mem\t! Prefetch into L2 cache for read" %}
-  ins_encode %{
-    __ prefetcht2($mem$$Address);
-  %}
-  ins_pipe(ialu_mem);
-%}
-
-instruct prefetchw0( memory mem ) %{
-  predicate(UseSSE==0 && !VM_Version::supports_3dnow_prefetch());
-  match(PrefetchWrite mem);
-  ins_cost(0);
-  size(0);
-  format %{ "Prefetch (non-SSE is empty encoding)" %}
-  ins_encode();
-  ins_pipe(empty);
-%}
-
-instruct prefetchw( memory mem ) %{
-  predicate(UseSSE==0 && VM_Version::supports_3dnow_prefetch());
-  match( PrefetchWrite mem );
-  ins_cost(100);
-
-  format %{ "PREFETCHW $mem\t! Prefetch into L1 cache and mark modified" %}
-  ins_encode %{
-    __ prefetchw($mem$$Address);
-  %}
-  ins_pipe(ialu_mem);
-%}
-
-instruct prefetchwNTA( memory mem ) %{
-  predicate(UseSSE>=1);
-  match(PrefetchWrite mem);
-  ins_cost(100);
-
-  format %{ "PREFETCHNTA $mem\t! Prefetch into non-temporal cache for write" %}
-  ins_encode %{
-    __ prefetchnta($mem$$Address);
-  %}
-  ins_pipe(ialu_mem);
-%}
-
-// Prefetch instructions for allocation.
-
 instruct prefetchAlloc0( memory mem ) %{
   predicate(UseSSE==0 && AllocatePrefetchInstr!=3);
   match(PrefetchAllocation mem);
--- a/src/cpu/x86/vm/x86_64.ad	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/cpu/x86/vm/x86_64.ad	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
+// Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 //
 // This code is free software; you can redistribute it and/or modify it
@@ -5319,70 +5319,9 @@
   ins_pipe(pipe_slow); // XXX
 %}
 
-// Prefetch instructions.
+// Prefetch instructions for allocation.
 // Must be safe to execute with invalid address (cannot fault).
 
-instruct prefetchr( memory mem ) %{
-  predicate(ReadPrefetchInstr==3);
-  match(PrefetchRead mem);
-  ins_cost(125);
-
-  format %{ "PREFETCHR $mem\t# Prefetch into level 1 cache" %}
-  ins_encode %{
-    __ prefetchr($mem$$Address);
-  %}
-  ins_pipe(ialu_mem);
-%}
-
-instruct prefetchrNTA( memory mem ) %{
-  predicate(ReadPrefetchInstr==0);
-  match(PrefetchRead mem);
-  ins_cost(125);
-
-  format %{ "PREFETCHNTA $mem\t# Prefetch into non-temporal cache for read" %}
-  ins_encode %{
-    __ prefetchnta($mem$$Address);
-  %}
-  ins_pipe(ialu_mem);
-%}
-
-instruct prefetchrT0( memory mem ) %{
-  predicate(ReadPrefetchInstr==1);
-  match(PrefetchRead mem);
-  ins_cost(125);
-
-  format %{ "PREFETCHT0 $mem\t# prefetch into L1 and L2 caches for read" %}
-  ins_encode %{
-    __ prefetcht0($mem$$Address);
-  %}
-  ins_pipe(ialu_mem);
-%}
-
-instruct prefetchrT2( memory mem ) %{
-  predicate(ReadPrefetchInstr==2);
-  match(PrefetchRead mem);
-  ins_cost(125);
-
-  format %{ "PREFETCHT2 $mem\t# prefetch into L2 caches for read" %}
-  ins_encode %{
-    __ prefetcht2($mem$$Address);
-  %}
-  ins_pipe(ialu_mem);
-%}
-
-instruct prefetchwNTA( memory mem ) %{
-  match(PrefetchWrite mem);
-  ins_cost(125);
-
-  format %{ "PREFETCHNTA $mem\t# Prefetch to non-temporal cache for write" %}
-  ins_encode %{
-    __ prefetchnta($mem$$Address);
-  %}
-  ins_pipe(ialu_mem);
-%}
-
-// Prefetch instructions for allocation.
-
 instruct prefetchAlloc( memory mem ) %{
   predicate(AllocatePrefetchInstr==3);
   match(PrefetchAllocation mem);
--- a/src/os/aix/vm/vmError_aix.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/os/aix/vm/vmError_aix.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -80,7 +80,6 @@
 }
 
 int VMError::get_resetted_sigflags(int sig) {
-  // Handle all program errors.
   for (int i = 0; i < NUM_SIGNALS; i++) {
     if (SIGNALS[i] == sig) {
       return resettedSigflags[i];
@@ -90,7 +89,6 @@
 }
 
 address VMError::get_resetted_sighandler(int sig) {
-  // Handle all program errors.
   for (int i = 0; i < NUM_SIGNALS; i++) {
     if (SIGNALS[i] == sig) {
       return resettedSighandler[i];
@@ -100,12 +98,19 @@
 }
 
 static void crash_handler(int sig, siginfo_t* info, void* ucVoid) {
+
   // Unmask current signal.
   sigset_t newset;
   sigemptyset(&newset);
   sigaddset(&newset, sig);
+  // and all other synchronous signals too.
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    sigaddset(&newset, SIGNALS[i]);
+  }
+  sigthreadmask(SIG_UNBLOCK, &newset, NULL);
 
-  Unimplemented();
+  VMError err(NULL, sig, NULL, info, ucVoid);
+  err.report_and_die();
 }
 
 void VMError::reset_signal_handlers() {
--- a/src/os/bsd/vm/dtraceJSDT_bsd.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,54 +0,0 @@
-/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "classfile/javaClasses.hpp"
-#include "code/codeBlob.hpp"
-#include "memory/allocation.hpp"
-#include "prims/jvm.h"
-#include "runtime/dtraceJSDT.hpp"
-#include "runtime/jniHandles.hpp"
-#include "runtime/os.hpp"
-#include "runtime/signature.hpp"
-#include "utilities/globalDefinitions.hpp"
-
-/*
- * JSDT java dtrace probes have never been implemented in macosx.  It is unknown if the solaris implementation
- * is close or if significant implementation work is necessary.  The future of the solaris implementation also
- * appears to be unclear since compiling code with JSDT probes produces the following warning:
- * "warning: ProviderFactory is internal proprietary API and may be removed in a future release"
- */
-
-int DTraceJSDT::pd_activate(
-    void* baseAddress, jstring module,
-    jint providers_count, JVM_DTraceProvider* providers) {
-  return -1;
-}
-
-void DTraceJSDT::pd_dispose(int handle) {
-}
-
-jboolean DTraceJSDT::pd_is_supported() {
-  return false;
-}
--- a/src/os/bsd/vm/vmError_bsd.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/os/bsd/vm/vmError_bsd.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -63,9 +63,15 @@
   } while (yes);
 }
 
+// handle all synchronous program error signals which may happen during error
+// reporting. They must be unblocked, caught, handled.
+
+static const int SIGNALS[] = { SIGSEGV, SIGBUS, SIGILL, SIGFPE, SIGTRAP }; // add more if needed
+static const int NUM_SIGNALS = sizeof(SIGNALS) / sizeof(int);
+
 // Space for our "saved" signal flags and handlers
-static int resettedSigflags[2];
-static address resettedSighandler[2];
+static int resettedSigflags[NUM_SIGNALS];
+static address resettedSighandler[NUM_SIGNALS];
 
 static void save_signal(int idx, int sig)
 {
@@ -78,19 +84,19 @@
 }
 
 int VMError::get_resetted_sigflags(int sig) {
-  if(SIGSEGV == sig) {
-    return resettedSigflags[0];
-  } else if(SIGBUS == sig) {
-    return resettedSigflags[1];
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    if (SIGNALS[i] == sig) {
+      return resettedSigflags[i];
+    }
   }
   return -1;
 }
 
 address VMError::get_resetted_sighandler(int sig) {
-  if(SIGSEGV == sig) {
-    return resettedSighandler[0];
-  } else if(SIGBUS == sig) {
-    return resettedSighandler[1];
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    if (SIGNALS[i] == sig) {
+      return resettedSighandler[i];
+    }
   }
   return NULL;
 }
@@ -100,16 +106,25 @@
   sigset_t newset;
   sigemptyset(&newset);
   sigaddset(&newset, sig);
-  sigprocmask(SIG_UNBLOCK, &newset, NULL);
+  // also unmask other synchronous signals
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    sigaddset(&newset, SIGNALS[i]);
+  }
+  pthread_sigmask(SIG_UNBLOCK, &newset, NULL);
 
   VMError err(NULL, sig, NULL, info, ucVoid);
   err.report_and_die();
 }
 
 void VMError::reset_signal_handlers() {
-  // Save sigflags for resetted signals
-  save_signal(0, SIGSEGV);
-  save_signal(1, SIGBUS);
-  os::signal(SIGSEGV, CAST_FROM_FN_PTR(void *, crash_handler));
-  os::signal(SIGBUS, CAST_FROM_FN_PTR(void *, crash_handler));
+  // install signal handlers for all synchronous program error signals
+  sigset_t newset;
+  sigemptyset(&newset);
+
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    save_signal(i, SIGNALS[i]);
+    os::signal(SIGNALS[i], CAST_FROM_FN_PTR(void *, crash_handler));
+    sigaddset(&newset, SIGNALS[i]);
+  }
+  pthread_sigmask(SIG_UNBLOCK, &newset, NULL);
 }
--- a/src/os/linux/vm/dtraceJSDT_linux.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "classfile/javaClasses.hpp"
-#include "code/codeBlob.hpp"
-#include "memory/allocation.hpp"
-#include "prims/jvm.h"
-#include "runtime/dtraceJSDT.hpp"
-#include "runtime/jniHandles.hpp"
-#include "runtime/os.hpp"
-#include "runtime/signature.hpp"
-#include "utilities/globalDefinitions.hpp"
-
-int DTraceJSDT::pd_activate(
-    void* baseAddress, jstring module,
-    jint providers_count, JVM_DTraceProvider* providers) {
-  return -1;
-}
-
-void DTraceJSDT::pd_dispose(int handle) {
-}
-
-jboolean DTraceJSDT::pd_is_supported() {
-  return false;
-}
--- a/src/os/linux/vm/vmError_linux.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/os/linux/vm/vmError_linux.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -63,9 +63,15 @@
   } while (yes);
 }
 
+// handle all synchronous program error signals which may happen during error
+// reporting. They must be unblocked, caught, handled.
+
+static const int SIGNALS[] = { SIGSEGV, SIGBUS, SIGILL, SIGFPE, SIGTRAP }; // add more if needed
+static const int NUM_SIGNALS = sizeof(SIGNALS) / sizeof(int);
+
 // Space for our "saved" signal flags and handlers
-static int resettedSigflags[2];
-static address resettedSighandler[2];
+static int resettedSigflags[NUM_SIGNALS];
+static address resettedSighandler[NUM_SIGNALS];
 
 static void save_signal(int idx, int sig)
 {
@@ -78,19 +84,19 @@
 }
 
 int VMError::get_resetted_sigflags(int sig) {
-  if(SIGSEGV == sig) {
-    return resettedSigflags[0];
-  } else if(SIGBUS == sig) {
-    return resettedSigflags[1];
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    if (SIGNALS[i] == sig) {
+      return resettedSigflags[i];
+    }
   }
   return -1;
 }
 
 address VMError::get_resetted_sighandler(int sig) {
-  if(SIGSEGV == sig) {
-    return resettedSighandler[0];
-  } else if(SIGBUS == sig) {
-    return resettedSighandler[1];
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    if (SIGNALS[i] == sig) {
+      return resettedSighandler[i];
+    }
   }
   return NULL;
 }
@@ -100,16 +106,26 @@
   sigset_t newset;
   sigemptyset(&newset);
   sigaddset(&newset, sig);
-  sigprocmask(SIG_UNBLOCK, &newset, NULL);
+  // also unmask other synchronous signals
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    sigaddset(&newset, SIGNALS[i]);
+  }
+  pthread_sigmask(SIG_UNBLOCK, &newset, NULL);
 
   VMError err(NULL, sig, NULL, info, ucVoid);
   err.report_and_die();
 }
 
 void VMError::reset_signal_handlers() {
-  // Save sigflags for resetted signals
-  save_signal(0, SIGSEGV);
-  save_signal(1, SIGBUS);
-  os::signal(SIGSEGV, CAST_FROM_FN_PTR(void *, crash_handler));
-  os::signal(SIGBUS, CAST_FROM_FN_PTR(void *, crash_handler));
+  // install signal handlers for all synchronous program error signals
+  sigset_t newset;
+  sigemptyset(&newset);
+
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    save_signal(i, SIGNALS[i]);
+    os::signal(SIGNALS[i], CAST_FROM_FN_PTR(void *, crash_handler));
+    sigaddset(&newset, SIGNALS[i]);
+  }
+  pthread_sigmask(SIG_UNBLOCK, &newset, NULL);
+
 }
--- a/src/os/solaris/vm/dtraceJSDT_solaris.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,655 +0,0 @@
-/*
- * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "classfile/javaClasses.hpp"
-#include "code/codeBlob.hpp"
-#include "memory/allocation.hpp"
-#include "prims/jvm.h"
-#include "runtime/dtraceJSDT.hpp"
-#include "runtime/jniHandles.hpp"
-#include "runtime/os.hpp"
-#include "runtime/signature.hpp"
-#include "utilities/globalDefinitions.hpp"
-
-#ifdef HAVE_DTRACE_H
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <dtrace.h>
-
-static const char* devname    = "/dev/dtrace/helper";
-static const char* olddevname = "/devices/pseudo/dtrace@0:helper";
-
-static const char* string_sig = "uintptr_t";
-static const char* int_sig    = "long";
-static const char* long_sig   = "long long";
-
-static void printDOFHelper(dof_helper_t* helper);
-
-static int dofhelper_open() {
-  int fd;
-  if ((fd = open64(devname, O_RDWR)) < 0) {
-    // Optimize next calls
-    devname = olddevname;
-    if ((fd = open64(devname, O_RDWR)) < 0) {
-      return -1;
-    }
-  }
-  return fd;
-}
-
-static jint dof_register(jstring module, uint8_t* dof, void* modaddr) {
-  int probe;
-  dof_helper_t dh;
-  int fd;
-
-  memset(&dh, 0, sizeof(dh));
-
-  char* module_name = java_lang_String::as_utf8_string(
-        JNIHandles::resolve_non_null(module));
-  jio_snprintf(dh.dofhp_mod, sizeof(dh.dofhp_mod), "%s", module_name);
-  dh.dofhp_dof  = (uint64_t)dof;
-  dh.dofhp_addr = (uint64_t)modaddr;
-
-  fd = dofhelper_open();
-  if (fd < 0)
-    return -1;
-  probe = ioctl(fd, DTRACEHIOC_ADDDOF, &dh);
-  close(fd);
-  if (PrintDTraceDOF) {
-    printDOFHelper(&dh);
-    tty->print_cr("DOF helper id = %d", probe);
-  }
-  return probe;
-}
-
-int DTraceJSDT::pd_activate(
-    void* moduleBaseAddress, jstring module,
-    jint providers_count, JVM_DTraceProvider* providers) {
-
-  // We need sections:
-  //  (1) STRTAB
-  //  (
-  //    (2) PROVIDER
-  //    (3) PROBES
-  //    (4) PROBOFFS
-  //    (5) PROBARGS
-  //  ) * Number of Providers
-
-  // Type of sections we create
-  enum {
-    STRTAB = 0,
-    PROVIDERS = 1,
-    PROBES = 2,
-    PROBE_OFFSETS = 3,
-    ARG_OFFSETS = 4,
-    NUM_SECTIONS = 5
-  };
-
-  static int alignment_for[NUM_SECTIONS] = { 1, 4, 8, 4, 1 };
-
-  ResourceMark rm;
-
-  uint32_t num_sections = 1 + 4 * providers_count;
-  uint32_t offset = sizeof(dof_hdr_t) + (num_sections * sizeof(dof_sec_t));
-  uint32_t* secoffs = NEW_RESOURCE_ARRAY(uint32_t, num_sections);
-  uint32_t* secsize = NEW_RESOURCE_ARRAY(uint32_t, num_sections);
-
-  // Store offsets of all strings here in such order:
-  //  zero-string (always 0)
-  //  provider1-name
-  //    probe1-function
-  //    probe1-name
-  //    arg-1
-  //    arg-2
-  //    ...
-  //    probe2-function
-  //    probe2-name
-  //    arg-1
-  //    arg-2
-  //  provider2-name
-  //    ...
-
-  uint32_t strcount  = 0;
-  // Count the number of strings we'll need
-  for(int prvc = 0; prvc < providers_count; ++prvc) {
-    JVM_DTraceProvider* provider = &providers[prvc];
-    // Provider name
-    ++strcount;
-    for(int prbc = 0; prbc < provider->probe_count; ++prbc) {
-      JVM_DTraceProbe* p = &(provider->probes[prbc]);
-      Symbol* sig = Method::resolve_jmethod_id(p->method)->signature();
-      // function + name + one per argument
-      strcount += 2 + ArgumentCount(sig).size();
-    }
-  }
-
-  // Create place for string offsets
-  uint32_t* stroffs = NEW_RESOURCE_ARRAY(uint32_t, strcount + 1);
-  uint32_t string_index = 0;
-  uint32_t curstr = 0;
-
-  // First we need an empty string: ""
-  stroffs[curstr++] = string_index;
-  string_index += strlen("") + 1;
-
-  for(int prvc = 0; prvc < providers_count; ++prvc) {
-    JVM_DTraceProvider* provider = &providers[prvc];
-    char* provider_name = java_lang_String::as_utf8_string(
-        JNIHandles::resolve_non_null(provider->name));
-    stroffs[curstr++] = string_index;
-    string_index += strlen(provider_name) + 1;
-
-    // All probes
-    for(int prbc = 0; prbc < provider->probe_count; ++prbc) {
-      JVM_DTraceProbe* p = &(provider->probes[prbc]);
-
-      char* function = java_lang_String::as_utf8_string(
-          JNIHandles::resolve_non_null(p->function));
-      stroffs[curstr++] = string_index;
-      string_index += strlen(function) + 1;
-
-      char* name = java_lang_String::as_utf8_string(
-          JNIHandles::resolve_non_null(p->name));
-      stroffs[curstr++] = string_index;
-      string_index += strlen(name) + 1;
-
-      Symbol* sig = Method::resolve_jmethod_id(p->method)->signature();
-      SignatureStream ss(sig);
-      for ( ; !ss.at_return_type(); ss.next()) {
-        BasicType bt = ss.type();
-        const char* t = NULL;
-        if (bt == T_OBJECT &&
-            ss.as_symbol_or_null() == vmSymbols::java_lang_String()) {
-          t = string_sig;
-        } else if (bt == T_LONG) {
-          t = long_sig;
-        } else {
-          t = int_sig;
-        }
-        stroffs[curstr++] = string_index;
-        string_index += strlen(t) + 1;
-      }
-    }
-  }
-  secoffs[STRTAB] = offset;
-  secsize[STRTAB] = string_index;
-  offset += string_index;
-
-  // Calculate the size of the rest
-  for(int prvc = 0; prvc < providers_count; ++prvc) {
-    JVM_DTraceProvider* provider = &providers[prvc];
-    size_t provider_sec  = PROVIDERS     + prvc * 4;
-    size_t probe_sec     = PROBES        + prvc * 4;
-    size_t probeoffs_sec = PROBE_OFFSETS + prvc * 4;
-    size_t argoffs_sec   = ARG_OFFSETS   + prvc * 4;
-
-    // Allocate space for the provider data struction
-    secoffs[provider_sec] = align_size_up(offset, alignment_for[PROVIDERS]);
-    secsize[provider_sec] = sizeof(dof_provider_t);
-    offset = secoffs[provider_sec] + secsize[provider_sec];
-
-    // Allocate space for all the probes
-    secoffs[probe_sec] = align_size_up(offset, alignment_for[PROBES]);
-    secsize[probe_sec] = sizeof(dof_probe_t) * provider->probe_count;
-    offset = secoffs[probe_sec] + secsize[probe_sec];
-
-    // Allocate space for the probe offsets
-    secoffs[probeoffs_sec] = align_size_up(offset, alignment_for[PROBE_OFFSETS]);
-    secsize[probeoffs_sec] = sizeof(uint32_t) * provider->probe_count;
-    offset = secoffs[probeoffs_sec] + secsize[probeoffs_sec];
-
-    // We need number of arguments argoffs
-    uint32_t argscount = 0;
-    for(int prbc = 0; prbc < provider->probe_count; ++prbc) {
-       JVM_DTraceProbe* p = &(provider->probes[prbc]);
-       Symbol* sig = Method::resolve_jmethod_id(p->method)->signature();
-       argscount += ArgumentCount(sig).size();
-    }
-    secoffs[argoffs_sec] = align_size_up(offset, alignment_for[ARG_OFFSETS]);
-    secsize[argoffs_sec] = sizeof(uint8_t) * argscount;
-    offset = secoffs[argoffs_sec] + secsize[argoffs_sec];
-  }
-
-  uint32_t size = offset;
-
-  uint8_t* dof = NEW_RESOURCE_ARRAY(uint8_t, size);
-  if (!dof) {
-    return -1;
-  }
-  memset((void*)dof, 0, size);
-
-  // Fill memory with proper values
-  dof_hdr_t* hdr = (dof_hdr_t*)dof;
-  hdr->dofh_ident[DOF_ID_MAG0]     = DOF_MAG_MAG0;
-  hdr->dofh_ident[DOF_ID_MAG1]     = DOF_MAG_MAG1;
-  hdr->dofh_ident[DOF_ID_MAG2]     = DOF_MAG_MAG2;
-  hdr->dofh_ident[DOF_ID_MAG3]     = DOF_MAG_MAG3;
-  hdr->dofh_ident[DOF_ID_MODEL]    = DOF_MODEL_NATIVE;  // No variants
-  hdr->dofh_ident[DOF_ID_ENCODING] = DOF_ENCODE_NATIVE; // No variants
-  hdr->dofh_ident[DOF_ID_VERSION]  = DOF_VERSION_1;     // No variants
-  hdr->dofh_ident[DOF_ID_DIFVERS]  = DIF_VERSION_2;     // No variants
-  // all other fields of ident to zero
-
-  hdr->dofh_flags   = 0;
-  hdr->dofh_hdrsize = sizeof(dof_hdr_t);
-  hdr->dofh_secsize = sizeof(dof_sec_t);
-  hdr->dofh_secnum  = num_sections;
-  hdr->dofh_secoff  = sizeof(dof_hdr_t);
-  hdr->dofh_loadsz  = size;
-  hdr->dofh_filesz  = size;
-
-  // First section: STRTAB
-  dof_sec_t* sec = (dof_sec_t*)(dof + sizeof(dof_hdr_t));
-  sec->dofs_type    = DOF_SECT_STRTAB;
-  sec->dofs_align   = alignment_for[STRTAB];
-  sec->dofs_flags   = DOF_SECF_LOAD;
-  sec->dofs_entsize = 0;
-  sec->dofs_offset  = secoffs[STRTAB];
-  sec->dofs_size    = secsize[STRTAB];
-  // Make data for this section
-  char* str = (char*)(dof + sec->dofs_offset);
-
-  *str = 0; str += 1; // ""
-
-  // Run through all strings again
-  for(int prvc = 0; prvc < providers_count; ++prvc) {
-    JVM_DTraceProvider* provider = &providers[prvc];
-    char* provider_name = java_lang_String::as_utf8_string(
-        JNIHandles::resolve_non_null(provider->name));
-    strcpy(str, provider_name);
-    str += strlen(provider_name) + 1;
-
-    // All probes
-    for(int prbc = 0; prbc < provider->probe_count; ++prbc) {
-      JVM_DTraceProbe* p = &(provider->probes[prbc]);
-
-      char* function = java_lang_String::as_utf8_string(
-          JNIHandles::resolve_non_null(p->function));
-      strcpy(str, function);
-      str += strlen(str) + 1;
-
-      char* name = java_lang_String::as_utf8_string(
-          JNIHandles::resolve_non_null(p->name));
-      strcpy(str, name);
-      str += strlen(name) + 1;
-
-      Symbol* sig = Method::resolve_jmethod_id(p->method)->signature();
-      SignatureStream ss(sig);
-      for ( ; !ss.at_return_type(); ss.next()) {
-        BasicType bt = ss.type();
-        const char* t;
-        if (bt == T_OBJECT &&
-            ss.as_symbol_or_null() == vmSymbols::java_lang_String()) {
-          t = string_sig;
-        } else if (bt == T_LONG) {
-          t = long_sig;
-        } else {
-          t = int_sig;
-        }
-        strcpy(str, t);
-        str += strlen(t) + 1;
-      }
-    }
-  }
-
-  curstr = 1;
-  for(int prvc = 0; prvc < providers_count; ++prvc) {
-    JVM_DTraceProvider* provider = &providers[prvc];
-    size_t provider_sec  = PROVIDERS     + prvc * 4;
-    size_t probe_sec     = PROBES        + prvc * 4;
-    size_t probeoffs_sec = PROBE_OFFSETS + prvc * 4;
-    size_t argoffs_sec   = ARG_OFFSETS   + prvc * 4;
-
-    // PROVIDER ///////////////////////////////////////////////////////////////
-    // Section header
-    sec = (dof_sec_t*)
-        (dof + sizeof(dof_hdr_t) + sizeof(dof_sec_t) * provider_sec);
-    sec->dofs_type    = DOF_SECT_PROVIDER;
-    sec->dofs_align   = alignment_for[PROVIDERS];
-    sec->dofs_flags   = DOF_SECF_LOAD;
-    sec->dofs_entsize = 0;
-    sec->dofs_offset  = secoffs[provider_sec];
-    sec->dofs_size    = secsize[provider_sec];
-    // Make provider decriiption
-    dof_provider_t* prv = (dof_provider_t*)(dof + sec->dofs_offset);
-    prv->dofpv_strtab   = STRTAB;
-    prv->dofpv_probes   = probe_sec;
-    prv->dofpv_prargs   = argoffs_sec;
-    prv->dofpv_proffs   = probeoffs_sec;
-    prv->dofpv_name     = stroffs[curstr++]; // Index in string table
-    prv->dofpv_provattr = DOF_ATTR(
-        provider->providerAttributes.nameStability,
-        provider->providerAttributes.dataStability,
-        provider->providerAttributes.dependencyClass);
-    prv->dofpv_modattr = DOF_ATTR(
-        provider->moduleAttributes.nameStability,
-        provider->moduleAttributes.dataStability,
-        provider->moduleAttributes.dependencyClass);
-    prv->dofpv_funcattr = DOF_ATTR(
-        provider->functionAttributes.nameStability,
-        provider->functionAttributes.dataStability,
-        provider->functionAttributes.dependencyClass);
-    prv->dofpv_nameattr = DOF_ATTR(
-        provider->nameAttributes.nameStability,
-        provider->nameAttributes.dataStability,
-        provider->nameAttributes.dependencyClass);
-    prv->dofpv_argsattr = DOF_ATTR(
-        provider->argsAttributes.nameStability,
-        provider->argsAttributes.dataStability,
-        provider->argsAttributes.dependencyClass);
-
-    // PROBES /////////////////////////////////////////////////////////////////
-    // Section header
-    sec = (dof_sec_t*)
-        (dof + sizeof(dof_hdr_t) + sizeof(dof_sec_t) * probe_sec);
-    sec->dofs_type    = DOF_SECT_PROBES;
-    sec->dofs_align   = alignment_for[PROBES];
-    sec->dofs_flags   = DOF_SECF_LOAD;
-    sec->dofs_entsize = sizeof(dof_probe_t);
-    sec->dofs_offset  = secoffs[probe_sec];
-    sec->dofs_size    = secsize[probe_sec];
-    // Make probes descriptions
-    uint32_t argsoffs = 0;
-    for(int prbc = 0; prbc < provider->probe_count; ++prbc) {
-      JVM_DTraceProbe* probe = &(provider->probes[prbc]);
-      Method* m = Method::resolve_jmethod_id(probe->method);
-      int arg_count = ArgumentCount(m->signature()).size();
-      assert(m->code() != NULL, "must have an nmethod");
-
-      dof_probe_t* prb =
-         (dof_probe_t*)(dof + sec->dofs_offset + prbc * sizeof(dof_probe_t));
-
-      prb->dofpr_addr   = (uint64_t)m->code()->entry_point();
-      prb->dofpr_func   = stroffs[curstr++]; // Index in string table
-      prb->dofpr_name   = stroffs[curstr++]; // Index in string table
-      prb->dofpr_nargv  = stroffs[curstr  ]; // Index in string table
-      // We spent siglen strings here
-      curstr += arg_count;
-      prb->dofpr_xargv  = prb->dofpr_nargv;  // Same bunch of strings
-      prb->dofpr_argidx = argsoffs;
-      prb->dofpr_offidx = prbc;
-      prb->dofpr_nargc  = arg_count;
-      prb->dofpr_xargc  = arg_count;
-      prb->dofpr_noffs  = 1; // Number of offsets
-      // Next bunch of offsets
-      argsoffs += arg_count;
-    }
-
-    // PROFFS /////////////////////////////////////////////////////////////////
-    // Section header
-    sec = (dof_sec_t*)
-        (dof + sizeof(dof_hdr_t) + sizeof(dof_sec_t) * probeoffs_sec);
-    sec->dofs_type    = DOF_SECT_PROFFS;
-    sec->dofs_align   = alignment_for[PROBE_OFFSETS];
-    sec->dofs_flags   = DOF_SECF_LOAD;
-    sec->dofs_entsize = sizeof(uint32_t);
-    sec->dofs_offset  = secoffs[probeoffs_sec];
-    sec->dofs_size    = secsize[probeoffs_sec];
-    // Make offsets
-    for (int prbc = 0; prbc < provider->probe_count; ++prbc) {
-      uint32_t* pof =
-          (uint32_t*)(dof + sec->dofs_offset + sizeof(uint32_t) * prbc);
-      JVM_DTraceProbe* probe = &(provider->probes[prbc]);
-      Method* m = Method::resolve_jmethod_id(probe->method);
-      *pof = m->code()->trap_offset();
-    }
-
-    // PRARGS /////////////////////////////////////////////////////////////////
-    // Section header
-    sec = (dof_sec_t*)
-        (dof + sizeof(dof_hdr_t) + sizeof(dof_sec_t) * argoffs_sec);
-    sec->dofs_type    = DOF_SECT_PRARGS;
-    sec->dofs_align   = alignment_for[ARG_OFFSETS];
-    sec->dofs_flags   = DOF_SECF_LOAD;
-    sec->dofs_entsize = sizeof(uint8_t);
-    sec->dofs_offset  = secoffs[argoffs_sec];
-    sec->dofs_size    = secsize[argoffs_sec];
-    // Make arguments
-    uint8_t* par = (uint8_t*)(dof + sec->dofs_offset);
-    for (int prbc = 0; prbc < provider->probe_count; ++prbc) {
-      JVM_DTraceProbe* p = &(provider->probes[prbc]);
-      Symbol* sig = Method::resolve_jmethod_id(p->method)->signature();
-      uint8_t count = (uint8_t)ArgumentCount(sig).size();
-      for (uint8_t i = 0; i < count; ++i) {
-        *par++ = i;
-      }
-    }
-  }
-
-  // Register module
-  return dof_register(module, dof, moduleBaseAddress);
-}
-
-
-void DTraceJSDT::pd_dispose(int handle) {
-  int fd;
-  if (handle == -1) {
-    return;
-  }
-  fd = dofhelper_open();
-  if (fd < 0)
-    return;
-  ioctl(fd, DTRACEHIOC_REMOVE, handle);
-  close(fd);
-}
-
-jboolean DTraceJSDT::pd_is_supported() {
-  int fd = dofhelper_open();
-  if (fd < 0) {
-    return false;
-  }
-  close(fd);
-  return true;
-}
-
-static const char* dofSecTypeFor(uint32_t type) {
-  switch (type) {
-    case 0:  return "DOF_SECT_NONE";
-    case 1:  return "DOF_SECT_COMMENTS";
-    case 2:  return "DOF_SECT_SOURCE";
-    case 3:  return "DOF_SECT_ECBDESC";
-    case 4:  return "DOF_SECT_PROBEDESC";
-    case 5:  return "DOF_SECT_ACTDESC";
-    case 6:  return "DOF_SECT_DIFOHDR";
-    case 7:  return "DOF_SECT_DIF";
-    case 8:  return "DOF_SECT_STRTAB";
-    case 9:  return "DOF_SECT_VARTAB";
-    case 10: return "DOF_SECT_RELTAB";
-    case 11: return "DOF_SECT_TYPETAB";
-    case 12: return "DOF_SECT_URELHDR";
-    case 13: return "DOF_SECT_KRELHDR";
-    case 14: return "DOF_SECT_OPTDESC";
-    case 15: return "DOF_SECT_PROVIDER";
-    case 16: return "DOF_SECT_PROBES";
-    case 17: return "DOF_SECT_PRARGS";
-    case 18: return "DOF_SECT_PROFFS";
-    case 19: return "DOF_SECT_INTTAB";
-    case 20: return "DOF_SECT_UTSNAME";
-    case 21: return "DOF_SECT_XLTAB";
-    case 22: return "DOF_SECT_XLMEMBERS";
-    case 23: return "DOF_SECT_XLIMPORT";
-    case 24: return "DOF_SECT_XLEXPORT";
-    case 25: return "DOF_SECT_PREXPORT";
-    case 26: return "DOF_SECT_PRENOFFS";
-    default: return "<unknown>";
-  }
-}
-
-static void printDOFStringTabSec(void* dof, dof_sec_t* sec) {
-  size_t tab = sec->dofs_offset;
-  size_t limit = sec->dofs_size;
-  tty->print_cr("//   String Table:");
-  for (size_t idx = 0; idx < limit; /*empty*/) {
-    char* str = ((char*)dof) + tab + idx;
-    tty->print_cr("//   [0x%x + 0x%x] '%s'", tab, idx, str);
-    idx += strlen(str) + 1;
-  }
-}
-
-static void printDOFProviderSec(void* dof, dof_sec_t* sec) {
-  dof_provider_t* prov = (dof_provider_t*)((char*)dof + sec->dofs_offset);
-  tty->print_cr("//   dof_provider_t {");
-  tty->print_cr("//     dofpv_strtab = %d", prov->dofpv_strtab);
-  tty->print_cr("//     dofpv_probes = %d", prov->dofpv_probes);
-  tty->print_cr("//     dofpv_prargs = %d", prov->dofpv_prargs);
-  tty->print_cr("//     dofpv_proffs = %d", prov->dofpv_proffs);
-  tty->print_cr("//     dofpv_name = 0x%x", prov->dofpv_name);
-  tty->print_cr("//     dofpv_provattr = 0x%08x", prov->dofpv_provattr);
-  tty->print_cr("//     dofpv_modattr = 0x%08x", prov->dofpv_modattr);
-  tty->print_cr("//     dofpv_funcattr = 0x%08x", prov->dofpv_funcattr);
-  tty->print_cr("//     dofpv_nameattr = 0x%08x", prov->dofpv_nameattr);
-  tty->print_cr("//     dofpv_argsattr = 0x%08x", prov->dofpv_argsattr);
-  tty->print_cr("//   }");
-}
-
-static void printDOFProbesSec(void* dof, dof_sec_t* sec) {
-  size_t idx = sec->dofs_offset;
-  size_t limit = idx + sec->dofs_size;
-  for (size_t idx = sec->dofs_offset; idx < limit; idx += sec->dofs_entsize) {
-    dof_probe_t* prb = (dof_probe_t*)((char*)dof + idx);
-    tty->print_cr("//   dof_probe_t {");
-    tty->print_cr("//     dofpr_addr = 0x%016llx", prb->dofpr_addr);
-    tty->print_cr("//     dofpr_func = 0x%x", prb->dofpr_func);
-    tty->print_cr("//     dofpr_name = 0x%x", prb->dofpr_name);
-    tty->print_cr("//     dofpr_nargv = 0x%x", prb->dofpr_nargv);
-    tty->print_cr("//     dofpr_xargv = 0x%x", prb->dofpr_xargv);
-    tty->print_cr("//     dofpr_argidx = 0x%x", prb->dofpr_argidx);
-    tty->print_cr("//     dofpr_offidx = 0x%x", prb->dofpr_offidx);
-    tty->print_cr("//     dofpr_nargc = %d", prb->dofpr_nargc);
-    tty->print_cr("//     dofpr_xargc = %d", prb->dofpr_xargc);
-    tty->print_cr("//     dofpr_noffs = %d", prb->dofpr_noffs);
-    tty->print_cr("//   }");
-  }
-}
-
-static void printDOFOffsetsSec(void* dof, dof_sec_t* sec) {
-  size_t tab = sec->dofs_offset;
-  size_t limit = sec->dofs_size;
-  tty->print_cr("//   Offsets:");
-  for (size_t idx = 0; idx < limit; idx += sec->dofs_entsize) {
-    uint32_t* off = (uint32_t*)((char*)dof + tab + idx);
-    tty->print_cr("//   [0x%x + 0x%x]: %d", tab, idx, *off);
-  }
-}
-
-static void printDOFArgsSec(void* dof, dof_sec_t* sec) {
-  size_t tab = sec->dofs_offset;
-  size_t limit = sec->dofs_size;
-  tty->print_cr("//   Arguments:");
-  for (size_t idx = 0; idx < limit; idx += sec->dofs_entsize) {
-    uint8_t* arg = (uint8_t*)((char*)dof + tab + idx);
-    tty->print_cr("//   [0x%x + 0x%x]: %d", tab, idx, *arg);
-  }
-}
-
-static void printDOFSection(void* dof, dof_sec_t* sec) {
-  tty->print_cr("//   dof_sec_t {");
-  tty->print_cr("//     dofs_type = 0x%x /* %s */",
-                sec->dofs_type, dofSecTypeFor(sec->dofs_type));
-  tty->print_cr("//     dofs_align = %d", sec->dofs_align);
-  tty->print_cr("//     dofs_flags = 0x%x", sec->dofs_flags);
-  tty->print_cr("//     dofs_entsize = %d", sec->dofs_entsize);
-  tty->print_cr("//     dofs_offset = 0x%llx", sec->dofs_offset);
-  tty->print_cr("//     dofs_size = %lld", sec->dofs_size);
-  tty->print_cr("//   }");
-  switch (sec->dofs_type) {
-    case DOF_SECT_STRTAB:    printDOFStringTabSec(dof, sec); break;
-    case DOF_SECT_PROVIDER:  printDOFProviderSec(dof, sec);  break;
-    case DOF_SECT_PROBES:    printDOFProbesSec(dof, sec);    break;
-    case DOF_SECT_PROFFS:    printDOFOffsetsSec(dof, sec);   break;
-    case DOF_SECT_PRARGS:    printDOFArgsSec(dof, sec);      break;
-    default: tty->print_cr("//   <section type not recognized>");
-  }
-}
-
-static void printDOFHeader(dof_hdr_t* hdr) {
-  tty->print_cr("//   dof_hdr_t {");
-  tty->print_cr("//     dofh_ident[DOF_ID_MAG0] = 0x%x",
-                hdr->dofh_ident[DOF_ID_MAG0]);
-  tty->print_cr("//     dofh_ident[DOF_ID_MAG1] = 0x%x",
-                hdr->dofh_ident[DOF_ID_MAG1]);
-  tty->print_cr("//     dofh_ident[DOF_ID_MAG2] = 0x%x",
-                hdr->dofh_ident[DOF_ID_MAG2]);
-  tty->print_cr("//     dofh_ident[DOF_ID_MAG3] = 0x%x",
-                hdr->dofh_ident[DOF_ID_MAG3]);
-  tty->print_cr("//     dofh_ident[DOF_ID_MODEL] = 0x%x",
-                hdr->dofh_ident[DOF_ID_MODEL]);
-  tty->print_cr("//     dofh_ident[DOF_ID_ENCODING] = 0x%x",
-                hdr->dofh_ident[DOF_ID_ENCODING]);
-  tty->print_cr("//     dofh_ident[DOF_ID_VERSION] = 0x%x",
-                hdr->dofh_ident[DOF_ID_VERSION]);
-  tty->print_cr("//     dofh_ident[DOF_ID_DIFVERS] = 0x%x",
-                hdr->dofh_ident[DOF_ID_DIFVERS]);
-  tty->print_cr("//     dofh_flags = 0x%x", hdr->dofh_flags);
-  tty->print_cr("//     dofh_hdrsize = %d", hdr->dofh_hdrsize);
-  tty->print_cr("//     dofh_secsize = %d", hdr->dofh_secsize);
-  tty->print_cr("//     dofh_secnum = %d", hdr->dofh_secnum);
-  tty->print_cr("//     dofh_secoff = %lld", hdr->dofh_secoff);
-  tty->print_cr("//     dofh_loadsz = %lld", hdr->dofh_loadsz);
-  tty->print_cr("//     dofh_filesz = %lld", hdr->dofh_filesz);
-  tty->print_cr("//   }");
-}
-
-static void printDOF(void* dof) {
-  dof_hdr_t* hdr = (dof_hdr_t*)dof;
-  printDOFHeader(hdr);
-  for (int i = 0; i < hdr->dofh_secnum; ++i) {
-    dof_sec_t* sec =
-      (dof_sec_t*)((char*)dof + sizeof(dof_hdr_t) + i * sizeof(dof_sec_t));
-    tty->print_cr("//   [Section #%d]", i);
-    printDOFSection(dof, sec);
-  }
-}
-
-static void printDOFHelper(dof_helper_t* helper) {
-  tty->print_cr("// dof_helper_t {");
-  tty->print_cr("//   dofhp_mod = \"%s\"", helper->dofhp_mod);
-  tty->print_cr("//   dofhp_addr = 0x%016llx", helper->dofhp_addr);
-  tty->print_cr("//   dofhp_dof = 0x%016llx", helper->dofhp_dof);
-  printDOF((void*)helper->dofhp_dof);
-  tty->print_cr("// }");
-  size_t len = ((dof_hdr_t*)helper)->dofh_loadsz;
-  tty->print_data((void*)helper->dofhp_dof, len, true);
-}
-
-#else // ndef HAVE_DTRACE_H
-
-// Get here if we're not building on at least Solaris 10
-int DTraceJSDT::pd_activate(
-  void* baseAddress, jstring module,
-  jint provider_count, JVM_DTraceProvider* providers) {
-  return -1;
-}
-
-void DTraceJSDT::pd_dispose(int handle) {
-}
-
-jboolean DTraceJSDT::pd_is_supported() {
-  return false;
-}
-#endif
--- a/src/os/solaris/vm/vmError_solaris.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/os/solaris/vm/vmError_solaris.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -30,6 +30,7 @@
 
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <thread.h>
 #include <signal.h>
 
 void VMError::show_message_box(char *buf, int buflen) {
@@ -59,9 +60,15 @@
   } while (yes);
 }
 
+// handle all synchronous program error signals which may happen during error
+// reporting. They must be unblocked, caught, handled.
+
+static const int SIGNALS[] = { SIGSEGV, SIGBUS, SIGILL, SIGFPE, SIGTRAP }; // add more if needed
+static const int NUM_SIGNALS = sizeof(SIGNALS) / sizeof(int);
+
 // Space for our "saved" signal flags and handlers
-static int resettedSigflags[2];
-static address resettedSighandler[2];
+static int resettedSigflags[NUM_SIGNALS];
+static address resettedSighandler[NUM_SIGNALS];
 
 static void save_signal(int idx, int sig)
 {
@@ -74,19 +81,19 @@
 }
 
 int VMError::get_resetted_sigflags(int sig) {
-  if(SIGSEGV == sig) {
-    return resettedSigflags[0];
-  } else if(SIGBUS == sig) {
-    return resettedSigflags[1];
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    if (SIGNALS[i] == sig) {
+      return resettedSigflags[i];
+    }
   }
   return -1;
 }
 
 address VMError::get_resetted_sighandler(int sig) {
-  if(SIGSEGV == sig) {
-    return resettedSighandler[0];
-  } else if(SIGBUS == sig) {
-    return resettedSighandler[1];
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    if (SIGNALS[i] == sig) {
+      return resettedSighandler[i];
+    }
   }
   return NULL;
 }
@@ -96,16 +103,25 @@
   sigset_t newset;
   sigemptyset(&newset);
   sigaddset(&newset, sig);
-  sigprocmask(SIG_UNBLOCK, &newset, NULL);
+  // also unmask other synchronous signals
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    sigaddset(&newset, SIGNALS[i]);
+  }
+  thr_sigsetmask(SIG_UNBLOCK, &newset, NULL);
 
   VMError err(NULL, sig, NULL, info, ucVoid);
   err.report_and_die();
 }
 
 void VMError::reset_signal_handlers() {
-  // Save sigflags for resetted signals
-  save_signal(0, SIGSEGV);
-  save_signal(1, SIGBUS);
-  os::signal(SIGSEGV, CAST_FROM_FN_PTR(void *, crash_handler));
-  os::signal(SIGBUS, CAST_FROM_FN_PTR(void *, crash_handler));
+  // install signal handlers for all synchronous program error signals
+  sigset_t newset;
+  sigemptyset(&newset);
+
+  for (int i = 0; i < NUM_SIGNALS; i++) {
+    save_signal(i, SIGNALS[i]);
+    os::signal(SIGNALS[i], CAST_FROM_FN_PTR(void *, crash_handler));
+    sigaddset(&newset, SIGNALS[i]);
+  }
+  thr_sigsetmask(SIG_UNBLOCK, &newset, NULL);
 }
--- a/src/os/windows/vm/dtraceJSDT_windows.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "classfile/javaClasses.hpp"
-#include "code/codeBlob.hpp"
-#include "memory/allocation.hpp"
-#include "prims/jvm.h"
-#include "runtime/dtraceJSDT.hpp"
-#include "runtime/jniHandles.hpp"
-#include "runtime/os.hpp"
-#include "runtime/signature.hpp"
-#include "utilities/globalDefinitions.hpp"
-
-int DTraceJSDT::pd_activate(
-    void* baseAddress, jstring module,
-    jint providers_count, JVM_DTraceProvider* providers) {
-  return -1;
-}
-
-void DTraceJSDT::pd_dispose(int handle) {
-}
-
-jboolean DTraceJSDT::pd_is_supported() {
-  return false;
-}
--- a/src/share/vm/adlc/formssel.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/adlc/formssel.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -3489,9 +3489,7 @@
     "GetAndAddL", "GetAndSetL", "GetAndSetN",
   };
   int cnt = sizeof(needs_ideal_memory_list)/sizeof(char*);
-  if( strcmp(_opType,"PrefetchRead")==0 ||
-      strcmp(_opType,"PrefetchWrite")==0 ||
-      strcmp(_opType,"PrefetchAllocation")==0 )
+  if( strcmp(_opType,"PrefetchAllocation")==0 )
     return 1;
   if( _lChild ) {
     const char *opType = _lChild->_opType;
--- a/src/share/vm/asm/codeBuffer.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/asm/codeBuffer.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -42,7 +42,6 @@
                  Verified_Entry,
                  Frame_Complete, // Offset in the code where the frame setup is (for forte stackwalks) is complete
                  OSR_Entry,
-                 Dtrace_trap = OSR_Entry,  // dtrace probes can never have an OSR entry so reuse it
                  Exceptions,     // Offset where exception handler lives
                  Deopt,          // Offset where deopt handler lives
                  DeoptMH,        // Offset where MethodHandle deopt handler lives
--- a/src/share/vm/c1/c1_Canonicalizer.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_Canonicalizer.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -964,8 +964,6 @@
 void Canonicalizer::do_UnsafeGetObject(UnsafeGetObject* x) {}
 void Canonicalizer::do_UnsafePutObject(UnsafePutObject* x) {}
 void Canonicalizer::do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x) {}
-void Canonicalizer::do_UnsafePrefetchRead (UnsafePrefetchRead*  x) {}
-void Canonicalizer::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) {}
 void Canonicalizer::do_ProfileCall(ProfileCall* x) {}
 void Canonicalizer::do_ProfileReturnType(ProfileReturnType* x) {}
 void Canonicalizer::do_ProfileInvoke(ProfileInvoke* x) {}
--- a/src/share/vm/c1/c1_Canonicalizer.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_Canonicalizer.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -101,8 +101,6 @@
   virtual void do_UnsafeGetObject(UnsafeGetObject* x);
   virtual void do_UnsafePutObject(UnsafePutObject* x);
   virtual void do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x);
-  virtual void do_UnsafePrefetchRead (UnsafePrefetchRead*  x);
-  virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x);
   virtual void do_ProfileCall    (ProfileCall*     x);
   virtual void do_ProfileReturnType (ProfileReturnType*  x);
   virtual void do_ProfileInvoke  (ProfileInvoke*   x);
--- a/src/share/vm/c1/c1_GraphBuilder.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_GraphBuilder.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -3497,11 +3497,6 @@
     case vmIntrinsics::_putFloat_raw  : return append_unsafe_put_raw(callee, T_FLOAT);
     case vmIntrinsics::_putDouble_raw : return append_unsafe_put_raw(callee, T_DOUBLE);
 
-    case vmIntrinsics::_prefetchRead        : return append_unsafe_prefetch(callee, false, false);
-    case vmIntrinsics::_prefetchWrite       : return append_unsafe_prefetch(callee, false, true);
-    case vmIntrinsics::_prefetchReadStatic  : return append_unsafe_prefetch(callee, true,  false);
-    case vmIntrinsics::_prefetchWriteStatic : return append_unsafe_prefetch(callee, true,  true);
-
     case vmIntrinsics::_checkIndex    :
       if (!InlineNIOCheckIndex) return false;
       preserves_state = true;
@@ -4258,27 +4253,6 @@
 }
 
 
-bool GraphBuilder::append_unsafe_prefetch(ciMethod* callee, bool is_static, bool is_store) {
-  if (InlineUnsafeOps) {
-    Values* args = state()->pop_arguments(callee->arg_size());
-    int obj_arg_index = 1; // Assume non-static case
-    if (is_static) {
-      obj_arg_index = 0;
-    } else {
-      null_check(args->at(0));
-    }
-    Instruction* offset = args->at(obj_arg_index + 1);
-#ifndef _LP64
-    offset = append(new Convert(Bytecodes::_l2i, offset, as_ValueType(T_INT)));
-#endif
-    Instruction* op = is_store ? append(new UnsafePrefetchWrite(args->at(obj_arg_index), offset))
-                               : append(new UnsafePrefetchRead (args->at(obj_arg_index), offset));
-    compilation()->set_has_unsafe_access(true);
-  }
-  return InlineUnsafeOps;
-}
-
-
 void GraphBuilder::append_unsafe_CAS(ciMethod* callee) {
   ValueStack* state_before = copy_state_for_exception();
   ValueType* result_type = as_ValueType(callee->return_type());
--- a/src/share/vm/c1/c1_GraphBuilder.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_GraphBuilder.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -368,7 +368,6 @@
   bool append_unsafe_put_obj(ciMethod* callee, BasicType t, bool is_volatile);
   bool append_unsafe_get_raw(ciMethod* callee, BasicType t);
   bool append_unsafe_put_raw(ciMethod* callee, BasicType t);
-  bool append_unsafe_prefetch(ciMethod* callee, bool is_store, bool is_static);
   void append_unsafe_CAS(ciMethod* callee);
   bool append_unsafe_get_and_set_obj(ciMethod* callee, bool is_add);
 
--- a/src/share/vm/c1/c1_Instruction.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_Instruction.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -103,9 +103,6 @@
 class       UnsafeGetObject;
 class       UnsafePutObject;
 class         UnsafeGetAndSetObject;
-class       UnsafePrefetch;
-class         UnsafePrefetchRead;
-class         UnsafePrefetchWrite;
 class   ProfileCall;
 class   ProfileReturnType;
 class   ProfileInvoke;
@@ -209,8 +206,6 @@
   virtual void do_UnsafeGetObject(UnsafeGetObject* x) = 0;
   virtual void do_UnsafePutObject(UnsafePutObject* x) = 0;
   virtual void do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x) = 0;
-  virtual void do_UnsafePrefetchRead (UnsafePrefetchRead*  x) = 0;
-  virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) = 0;
   virtual void do_ProfileCall    (ProfileCall*     x) = 0;
   virtual void do_ProfileReturnType (ProfileReturnType*  x) = 0;
   virtual void do_ProfileInvoke  (ProfileInvoke*   x) = 0;
@@ -2442,34 +2437,6 @@
                                                    f->visit(&_value); }
 };
 
-BASE(UnsafePrefetch, UnsafeObjectOp)
- public:
-  UnsafePrefetch(Value object, Value offset)
-  : UnsafeObjectOp(T_VOID, object, offset, false, false)
-  {
-  }
-};
-
-
-LEAF(UnsafePrefetchRead, UnsafePrefetch)
- public:
-  UnsafePrefetchRead(Value object, Value offset)
-  : UnsafePrefetch(object, offset)
-  {
-    ASSERT_VALUES
-  }
-};
-
-
-LEAF(UnsafePrefetchWrite, UnsafePrefetch)
- public:
-  UnsafePrefetchWrite(Value object, Value offset)
-  : UnsafePrefetch(object, offset)
-  {
-    ASSERT_VALUES
-  }
-};
-
 LEAF(ProfileCall, Instruction)
  private:
   ciMethod*        _method;
--- a/src/share/vm/c1/c1_InstructionPrinter.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_InstructionPrinter.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -853,11 +853,6 @@
   output()->put(')');
 }
 
-void InstructionPrinter::do_UnsafePrefetchRead(UnsafePrefetchRead* x) {
-  print_unsafe_object_op(x, "UnsafePrefetchRead");
-  output()->put(')');
-}
-
 void InstructionPrinter::do_RangeCheckPredicate(RangeCheckPredicate* x) {
 
   if (x->x() != NULL && x->y() != NULL) {
@@ -880,11 +875,6 @@
 }
 #endif
 
-void InstructionPrinter::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) {
-  print_unsafe_object_op(x, "UnsafePrefetchWrite");
-  output()->put(')');
-}
-
 void InstructionPrinter::do_ProfileCall(ProfileCall* x) {
   output()->print("profile ");
   print_value(x->recv());
--- a/src/share/vm/c1/c1_InstructionPrinter.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_InstructionPrinter.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -129,8 +129,6 @@
   virtual void do_UnsafeGetObject(UnsafeGetObject* x);
   virtual void do_UnsafePutObject(UnsafePutObject* x);
   virtual void do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x);
-  virtual void do_UnsafePrefetchRead (UnsafePrefetchRead*  x);
-  virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x);
   virtual void do_ProfileCall    (ProfileCall*     x);
   virtual void do_ProfileReturnType (ProfileReturnType*  x);
   virtual void do_ProfileInvoke  (ProfileInvoke*   x);
--- a/src/share/vm/c1/c1_LIR.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_LIR.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -527,8 +527,6 @@
     case lir_move:           // input and result always valid, may have info
     case lir_pack64:         // input and result always valid
     case lir_unpack64:       // input and result always valid
-    case lir_prefetchr:      // input always valid, result and info always invalid
-    case lir_prefetchw:      // input always valid, result and info always invalid
     {
       assert(op->as_Op1() != NULL, "must be");
       LIR_Op1* op1 = (LIR_Op1*)op;
@@ -1266,13 +1264,6 @@
 }
 
 
-void LIR_List::prefetch(LIR_Address* addr, bool is_store) {
-  append(new LIR_Op1(
-            is_store ? lir_prefetchw : lir_prefetchr,
-            LIR_OprFact::address(addr)));
-}
-
-
 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
   append(new LIR_Op1(
             lir_move,
--- a/src/share/vm/c1/c1_LIR.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_LIR.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -925,8 +925,6 @@
       , lir_branch
       , lir_cond_float_branch
       , lir_move
-      , lir_prefetchr
-      , lir_prefetchw
       , lir_convert
       , lir_alloc_object
       , lir_monaddr
@@ -2212,8 +2210,6 @@
 
   void load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none);
 
-  void prefetch(LIR_Address* addr, bool is_store);
-
   void store_mem_int(jint v,    LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none);
   void store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code = lir_patch_none);
   void store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info = NULL, LIR_PatchCode patch_code = lir_patch_none);
--- a/src/share/vm/c1/c1_LIRAssembler.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_LIRAssembler.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -503,14 +503,6 @@
       }
       break;
 
-    case lir_prefetchr:
-      prefetchr(op->in_opr());
-      break;
-
-    case lir_prefetchw:
-      prefetchw(op->in_opr());
-      break;
-
     case lir_roundfp: {
       LIR_OpRoundFP* round_op = op->as_OpRoundFP();
       roundfp_op(round_op->in_opr(), round_op->tmp(), round_op->result_opr(), round_op->pop_fpu_stack());
--- a/src/share/vm/c1/c1_LIRAssembler.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_LIRAssembler.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -182,9 +182,6 @@
                    LIR_PatchCode patch_code,
                    CodeEmitInfo* info, bool wide, bool unaligned);
 
-  void prefetchr  (LIR_Opr src);
-  void prefetchw  (LIR_Opr src);
-
   void shift_op(LIR_Code code, LIR_Opr left, LIR_Opr count, LIR_Opr dest, LIR_Opr tmp);
   void shift_op(LIR_Code code, LIR_Opr left, jint  count, LIR_Opr dest);
 
--- a/src/share/vm/c1/c1_LIRGenerator.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_LIRGenerator.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -2385,35 +2385,6 @@
 }
 
 
-void LIRGenerator::do_UnsafePrefetch(UnsafePrefetch* x, bool is_store) {
-  LIRItem src(x->object(), this);
-  LIRItem off(x->offset(), this);
-
-  src.load_item();
-  if (off.is_constant() && can_inline_as_constant(x->offset())) {
-    // let it be a constant
-    off.dont_load_item();
-  } else {
-    off.load_item();
-  }
-
-  set_no_result(x);
-
-  LIR_Address* addr = generate_address(src.result(), off.result(), 0, 0, T_BYTE);
-  __ prefetch(addr, is_store);
-}
-
-
-void LIRGenerator::do_UnsafePrefetchRead(UnsafePrefetchRead* x) {
-  do_UnsafePrefetch(x, false);
-}
-
-
-void LIRGenerator::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) {
-  do_UnsafePrefetch(x, true);
-}
-
-
 void LIRGenerator::do_SwitchRanges(SwitchRangeArray* x, LIR_Opr value, BlockBegin* default_sux) {
   int lng = x->length();
 
--- a/src/share/vm/c1/c1_LIRGenerator.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_LIRGenerator.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -251,8 +251,6 @@
   void do_Reference_get(Intrinsic* x);
   void do_update_CRC32(Intrinsic* x);
 
-  void do_UnsafePrefetch(UnsafePrefetch* x, bool is_store);
-
   LIR_Opr call_runtime(BasicTypeArray* signature, LIRItemList* args, address entry, ValueType* result_type, CodeEmitInfo* info);
   LIR_Opr call_runtime(BasicTypeArray* signature, LIR_OprList* args, address entry, ValueType* result_type, CodeEmitInfo* info);
 
@@ -539,8 +537,6 @@
   virtual void do_UnsafeGetObject(UnsafeGetObject* x);
   virtual void do_UnsafePutObject(UnsafePutObject* x);
   virtual void do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x);
-  virtual void do_UnsafePrefetchRead (UnsafePrefetchRead*  x);
-  virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x);
   virtual void do_ProfileCall    (ProfileCall*     x);
   virtual void do_ProfileReturnType (ProfileReturnType* x);
   virtual void do_ProfileInvoke  (ProfileInvoke*   x);
--- a/src/share/vm/c1/c1_Optimizer.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_Optimizer.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -528,8 +528,6 @@
   void do_UnsafeGetObject(UnsafeGetObject* x);
   void do_UnsafePutObject(UnsafePutObject* x);
   void do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x);
-  void do_UnsafePrefetchRead (UnsafePrefetchRead*  x);
-  void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x);
   void do_ProfileCall    (ProfileCall*     x);
   void do_ProfileReturnType (ProfileReturnType*  x);
   void do_ProfileInvoke  (ProfileInvoke*   x);
@@ -716,8 +714,6 @@
 void NullCheckVisitor::do_UnsafeGetObject(UnsafeGetObject* x) {}
 void NullCheckVisitor::do_UnsafePutObject(UnsafePutObject* x) {}
 void NullCheckVisitor::do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x) {}
-void NullCheckVisitor::do_UnsafePrefetchRead (UnsafePrefetchRead*  x) {}
-void NullCheckVisitor::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) {}
 void NullCheckVisitor::do_ProfileCall    (ProfileCall*     x) { nce()->clear_last_explicit_null_check();
                                                                 nce()->handle_ProfileCall(x); }
 void NullCheckVisitor::do_ProfileReturnType (ProfileReturnType* x) { nce()->handle_ProfileReturnType(x); }
--- a/src/share/vm/c1/c1_RangeCheckElimination.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_RangeCheckElimination.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -159,8 +159,6 @@
     void do_UnsafeGetRaw   (UnsafeGetRaw*    x) { /* nothing to do */ };
     void do_UnsafeGetObject(UnsafeGetObject* x) { /* nothing to do */ };
     void do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x) { /* nothing to do */ };
-    void do_UnsafePrefetchRead (UnsafePrefetchRead*  x) { /* nothing to do */ };
-    void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) { /* nothing to do */ };
     void do_ProfileCall    (ProfileCall*     x) { /* nothing to do */ };
     void do_ProfileReturnType (ProfileReturnType*  x) { /* nothing to do */ };
     void do_ProfileInvoke  (ProfileInvoke*   x) { /* nothing to do */ };
--- a/src/share/vm/c1/c1_ValueMap.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/c1/c1_ValueMap.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -200,8 +200,6 @@
   void do_RoundFP        (RoundFP*         x) { /* nothing to do */ }
   void do_UnsafeGetRaw   (UnsafeGetRaw*    x) { /* nothing to do */ }
   void do_UnsafeGetObject(UnsafeGetObject* x) { /* nothing to do */ }
-  void do_UnsafePrefetchRead (UnsafePrefetchRead*  x) { /* nothing to do */ }
-  void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) { /* nothing to do */ }
   void do_ProfileCall    (ProfileCall*     x) { /* nothing to do */ }
   void do_ProfileReturnType (ProfileReturnType*  x) { /* nothing to do */ }
   void do_ProfileInvoke  (ProfileInvoke*   x) { /* nothing to do */ };
--- a/src/share/vm/ci/ciInstanceKlass.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/ci/ciInstanceKlass.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -501,32 +501,31 @@
   return fields;
 }
 
-void ciInstanceKlass::compute_injected_fields_helper() {
+bool ciInstanceKlass::compute_injected_fields_helper() {
   ASSERT_IN_VM;
   InstanceKlass* k = get_instanceKlass();
 
   for (InternalFieldStream fs(k); !fs.done(); fs.next()) {
     if (fs.access_flags().is_static())  continue;
-    _has_injected_fields++;
-    break;
+    return true;
   }
+  return false;
 }
 
-bool ciInstanceKlass::compute_injected_fields() {
-  assert(_has_injected_fields == -1, "shouldn't be initialized yet");
+void ciInstanceKlass::compute_injected_fields() {
   assert(is_loaded(), "must be loaded");
 
+  int has_injected_fields = 0;
   if (super() != NULL && super()->has_injected_fields()) {
-    _has_injected_fields = 1;
-    return true;
+    has_injected_fields = 1;
+  } else {
+    GUARDED_VM_ENTRY({
+        has_injected_fields = compute_injected_fields_helper() ? 1 : 0;
+      });
   }
-
-  _has_injected_fields = 0;
-  GUARDED_VM_ENTRY({
-      compute_injected_fields_helper();
-    });
-
-  return _has_injected_fields > 0 ? true : false;
+  // may be concurrently initialized for shared ciInstanceKlass objects
+  assert(_has_injected_fields == -1 || _has_injected_fields == has_injected_fields, "broken concurrent initialization");
+  _has_injected_fields = has_injected_fields;
 }
 
 // ------------------------------------------------------------------
--- a/src/share/vm/ci/ciInstanceKlass.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/ci/ciInstanceKlass.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -72,8 +72,8 @@
   //   Itsef: more than one implementors.
   ciInstanceKlass*       _implementor;
 
-  bool compute_injected_fields();
-  void compute_injected_fields_helper();
+  void compute_injected_fields();
+  bool compute_injected_fields_helper();
 
 protected:
   ciInstanceKlass(KlassHandle h_k);
@@ -193,7 +193,7 @@
 
   bool has_injected_fields() {
     if (_has_injected_fields == -1) {
-      return compute_injected_fields();
+      compute_injected_fields();
     }
     return _has_injected_fields > 0 ? true : false;
   }
--- a/src/share/vm/ci/ciMethod.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/ci/ciMethod.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -70,7 +70,8 @@
 // Loaded method.
 ciMethod::ciMethod(methodHandle h_m, ciInstanceKlass* holder) :
   ciMetadata(h_m()),
-  _holder(holder)
+  _holder(holder),
+  _has_injected_profile(false)
 {
   assert(h_m() != NULL, "no null method");
 
@@ -168,7 +169,8 @@
   _liveness(               NULL),
   _can_be_statically_bound(false),
   _method_blocks(          NULL),
-  _method_data(            NULL)
+  _method_data(            NULL),
+  _has_injected_profile(   false)
 #if defined(COMPILER2) || defined(SHARK)
   ,
   _flow(                   NULL),
--- a/src/share/vm/ci/ciMethod.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/ci/ciMethod.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -79,6 +79,7 @@
   bool _is_c1_compilable;
   bool _is_c2_compilable;
   bool _can_be_statically_bound;
+  bool _has_injected_profile;
 
   // Lazy fields, filled in on demand
   address              _code;
@@ -286,6 +287,9 @@
   int instructions_size();
   int scale_count(int count, float prof_factor = 1.);  // make MDO count commensurate with IIC
 
+  bool has_injected_profile() const { return _has_injected_profile;     }
+  void set_injected_profile(bool x) {        _has_injected_profile = x; }
+
   // Stack walking support
   bool is_ignored_by_security_stack_walk() const;
 
--- a/src/share/vm/classfile/vmSymbols.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/classfile/vmSymbols.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -243,7 +243,6 @@
   template(returnType_name,                           "returnType")                               \
   template(signature_name,                            "signature")                                \
   template(slot_name,                                 "slot")                                     \
-  template(selectAlternative_name,                    "selectAlternative")                        \
                                                                                                   \
   /* Support for annotations (JDK 1.5 and above) */                                               \
                                                                                                   \
@@ -295,8 +294,7 @@
   template(setTarget_signature,                       "(Ljava/lang/invoke/MethodHandle;)V")       \
   NOT_LP64(  do_alias(intptr_signature,               int_signature)  )                           \
   LP64_ONLY( do_alias(intptr_signature,               long_signature) )                           \
-  template(selectAlternative_signature, "(ZLjava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodHandle;)Ljava/lang/invoke/MethodHandle;") \
-                                                                      \
+                                                                                                  \
   /* common method and field names */                                                             \
   template(object_initializer_name,                   "<init>")                                   \
   template(class_initializer_name,                    "<clinit>")                                 \
@@ -868,6 +866,12 @@
    do_name(     fullFence_name,                                  "fullFence")                                           \
    do_alias(    fullFence_signature,                              void_method_signature)                                \
                                                                                                                         \
+  /* Custom branch frequencies profiling support for JSR292 */                                                          \
+  do_class(java_lang_invoke_MethodHandleImpl,               "java/lang/invoke/MethodHandleImpl")                        \
+  do_intrinsic(_profileBoolean, java_lang_invoke_MethodHandleImpl, profileBoolean_name, profileBoolean_signature,    F_S)  \
+   do_name(     profileBoolean_name,                               "profileBoolean")                                     \
+   do_signature(profileBoolean_signature,                           "(Z[I)Z")                                            \
+                                                                                                                        \
   /* unsafe memory references (there are a lot of them...) */                                                           \
   do_signature(getObject_signature,       "(Ljava/lang/Object;J)Ljava/lang/Object;")                                    \
   do_signature(putObject_signature,       "(Ljava/lang/Object;JLjava/lang/Object;)V")                                   \
@@ -1017,18 +1021,6 @@
   do_intrinsic(_getAndSetObject,          sun_misc_Unsafe,        getAndSetObject_name, getAndSetObject_signature,  F_R)\
    do_name(     getAndSetObject_name,                             "getAndSetObject")                                    \
    do_signature(getAndSetObject_signature,                        "(Ljava/lang/Object;JLjava/lang/Object;)Ljava/lang/Object;" ) \
-                                                                                                                        \
-  /* prefetch_signature is shared by all prefetch variants */                                                           \
-  do_signature( prefetch_signature,        "(Ljava/lang/Object;J)V")                                                    \
-                                                                                                                        \
-  do_intrinsic(_prefetchRead,             sun_misc_Unsafe,        prefetchRead_name, prefetch_signature,         F_RN)  \
-   do_name(     prefetchRead_name,                               "prefetchRead")                                        \
-  do_intrinsic(_prefetchWrite,            sun_misc_Unsafe,        prefetchWrite_name, prefetch_signature,        F_RN)  \
-   do_name(     prefetchWrite_name,                              "prefetchWrite")                                       \
-  do_intrinsic(_prefetchReadStatic,       sun_misc_Unsafe,        prefetchReadStatic_name, prefetch_signature,   F_SN)  \
-   do_name(     prefetchReadStatic_name,                         "prefetchReadStatic")                                  \
-  do_intrinsic(_prefetchWriteStatic,      sun_misc_Unsafe,        prefetchWriteStatic_name, prefetch_signature,  F_SN)  \
-   do_name(     prefetchWriteStatic_name,                        "prefetchWriteStatic")                                 \
     /*== LAST_COMPILER_INLINE*/                                                                                         \
     /*the compiler does have special inlining code for these; bytecode inline is just fine */                           \
                                                                                                                         \
@@ -1203,7 +1195,7 @@
     #undef VM_INTRINSIC_ENUM
 
     ID_LIMIT,
-    LAST_COMPILER_INLINE = _prefetchWriteStatic,
+    LAST_COMPILER_INLINE = _getAndSetObject,
     FIRST_MH_SIG_POLY    = _invokeGeneric,
     FIRST_MH_STATIC      = _linkToVirtual,
     LAST_MH_SIG_POLY     = _linkToInterface,
--- a/src/share/vm/code/nmethod.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/code/nmethod.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -477,9 +477,6 @@
 #if INCLUDE_RTM_OPT
   _rtm_state               = NoRTM;
 #endif
-#ifdef HAVE_DTRACE_H
-  _trap_offset             = 0;
-#endif // def HAVE_DTRACE_H
 }
 
 nmethod* nmethod::new_native_nmethod(methodHandle method,
@@ -520,44 +517,6 @@
   return nm;
 }
 
-#ifdef HAVE_DTRACE_H
-nmethod* nmethod::new_dtrace_nmethod(methodHandle method,
-                                     CodeBuffer *code_buffer,
-                                     int vep_offset,
-                                     int trap_offset,
-                                     int frame_complete,
-                                     int frame_size) {
-  code_buffer->finalize_oop_references(method);
-  // create nmethod
-  nmethod* nm = NULL;
-  {
-    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
-    int nmethod_size = allocation_size(code_buffer, sizeof(nmethod));
-    CodeOffsets offsets;
-    offsets.set_value(CodeOffsets::Verified_Entry, vep_offset);
-    offsets.set_value(CodeOffsets::Dtrace_trap, trap_offset);
-    offsets.set_value(CodeOffsets::Frame_Complete, frame_complete);
-
-    nm = new (nmethod_size, CompLevel_none) nmethod(method(), nmethod_size,
-                                    &offsets, code_buffer, frame_size);
-
-    NOT_PRODUCT(if (nm != NULL)  nmethod_stats.note_nmethod(nm));
-    if (PrintAssembly && nm != NULL) {
-      Disassembler::decode(nm);
-    }
-  }
-  // verify nmethod
-  debug_only(if (nm) nm->verify();) // might block
-
-  if (nm != NULL) {
-    nm->log_new_nmethod();
-  }
-
-  return nm;
-}
-
-#endif // def HAVE_DTRACE_H
-
 nmethod* nmethod::new_nmethod(methodHandle method,
   int compile_id,
   int entry_bci,
@@ -718,91 +677,6 @@
   }
 }
 
-// For dtrace wrappers
-#ifdef HAVE_DTRACE_H
-nmethod::nmethod(
-  Method* method,
-  int nmethod_size,
-  CodeOffsets* offsets,
-  CodeBuffer* code_buffer,
-  int frame_size)
-  : CodeBlob("dtrace nmethod", code_buffer, sizeof(nmethod),
-             nmethod_size, offsets->value(CodeOffsets::Frame_Complete), frame_size, NULL),
-  _native_receiver_sp_offset(in_ByteSize(-1)),
-  _native_basic_lock_sp_offset(in_ByteSize(-1))
-{
-  {
-    debug_only(No_Safepoint_Verifier nsv;)
-    assert_locked_or_safepoint(CodeCache_lock);
-
-    init_defaults();
-    _method                  = method;
-    _entry_bci               = InvocationEntryBci;
-    // We have no exception handler or deopt handler make the
-    // values something that will never match a pc like the nmethod vtable entry
-    _exception_offset        = 0;
-    _deoptimize_offset       = 0;
-    _deoptimize_mh_offset    = 0;
-    _unwind_handler_offset   = -1;
-    _trap_offset             = offsets->value(CodeOffsets::Dtrace_trap);
-    _orig_pc_offset          = 0;
-    _consts_offset           = data_offset();
-    _stub_offset             = data_offset();
-    _oops_offset             = data_offset();
-    _metadata_offset         = _oops_offset         + round_to(code_buffer->total_oop_size(), oopSize);
-    _scopes_data_offset      = _metadata_offset     + round_to(code_buffer->total_metadata_size(), wordSize);
-    _scopes_pcs_offset       = _scopes_data_offset;
-    _dependencies_offset     = _scopes_pcs_offset;
-    _handler_table_offset    = _dependencies_offset;
-    _nul_chk_table_offset    = _handler_table_offset;
-    _nmethod_end_offset      = _nul_chk_table_offset;
-    _compile_id              = 0;  // default
-    _comp_level              = CompLevel_none;
-    _entry_point             = code_begin()          + offsets->value(CodeOffsets::Entry);
-    _verified_entry_point    = code_begin()          + offsets->value(CodeOffsets::Verified_Entry);
-    _osr_entry_point         = NULL;
-    _exception_cache         = NULL;
-    _pc_desc_cache.reset_to(NULL);
-    _hotness_counter         = NMethodSweeper::hotness_counter_reset_val();
-
-    code_buffer->copy_values_to(this);
-    if (ScavengeRootsInCode) {
-      if (detect_scavenge_root_oops()) {
-        CodeCache::add_scavenge_root_nmethod(this);
-      }
-      Universe::heap()->register_nmethod(this);
-    }
-    DEBUG_ONLY(verify_scavenge_root_oops();)
-    CodeCache::commit(this);
-  }
-
-  if (PrintNMethods || PrintDebugInfo || PrintRelocations || PrintDependencies) {
-    ttyLocker ttyl;  // keep the following output all in one block
-    // This output goes directly to the tty, not the compiler log.
-    // To enable tools to match it up with the compilation activity,
-    // be sure to tag this tty output with the compile ID.
-    if (xtty != NULL) {
-      xtty->begin_head("print_dtrace_nmethod");
-      xtty->method(_method);
-      xtty->stamp();
-      xtty->end_head(" address='" INTPTR_FORMAT "'", (intptr_t) this);
-    }
-    // print the header part first
-    print();
-    // then print the requested information
-    if (PrintNMethods) {
-      print_code();
-    }
-    if (PrintRelocations) {
-      print_relocations();
-    }
-    if (xtty != NULL) {
-      xtty->tail("print_dtrace_nmethod");
-    }
-  }
-}
-#endif // def HAVE_DTRACE_H
-
 void* nmethod::operator new(size_t size, int nmethod_size, int comp_level) throw () {
   return CodeCache::allocate(nmethod_size, CodeCache::get_code_blob_type(comp_level));
 }
@@ -2310,17 +2184,6 @@
 #endif // !SHARK
 }
 
-
-oop nmethod::embeddedOop_at(u_char* p) {
-  RelocIterator iter(this, p, p + 1);
-  while (iter.next())
-    if (iter.type() == relocInfo::oop_type) {
-      return iter.oop_reloc()->oop_value();
-    }
-  return NULL;
-}
-
-
 inline bool includes(void* p, void* from, void* to) {
   return from <= p && p < to;
 }
--- a/src/share/vm/code/nmethod.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/code/nmethod.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -157,9 +157,6 @@
   // Offset of the unwind handler if it exists
   int _unwind_handler_offset;
 
-#ifdef HAVE_DTRACE_H
-  int _trap_offset;
-#endif // def HAVE_DTRACE_H
   int _consts_offset;
   int _stub_offset;
   int _oops_offset;                       // offset to where embedded oop table begins (inside data)
@@ -261,15 +258,6 @@
           ByteSize basic_lock_sp_offset,       /* synchronized natives only */
           OopMapSet* oop_maps);
 
-#ifdef HAVE_DTRACE_H
-  // For native wrappers
-  nmethod(Method* method,
-          int nmethod_size,
-          CodeOffsets* offsets,
-          CodeBuffer *code_buffer,
-          int frame_size);
-#endif // def HAVE_DTRACE_H
-
   // Creation support
   nmethod(Method* method,
           int nmethod_size,
@@ -333,22 +321,6 @@
                                      ByteSize basic_lock_sp_offset,
                                      OopMapSet* oop_maps);
 
-#ifdef HAVE_DTRACE_H
-  // The method we generate for a dtrace probe has to look
-  // like an nmethod as far as the rest of the system is concerned
-  // which is somewhat unfortunate.
-  static nmethod* new_dtrace_nmethod(methodHandle method,
-                                     CodeBuffer *code_buffer,
-                                     int vep_offset,
-                                     int trap_offset,
-                                     int frame_complete,
-                                     int frame_size);
-
-  int trap_offset() const      { return _trap_offset; }
-  address trap_address() const { return insts_begin() + _trap_offset; }
-
-#endif // def HAVE_DTRACE_H
-
   // accessors
   Method* method() const                          { return _method; }
   AbstractCompiler* compiler() const              { return _compiler; }
@@ -730,11 +702,6 @@
   int  compile_id() const                         { return _compile_id; }
   const char* compile_kind() const;
 
-  // For debugging
-  // CompiledIC*    IC_at(char* p) const;
-  // PrimitiveIC*   primitiveIC_at(char* p) const;
-  oop embeddedOop_at(address p);
-
   // tells if any of this method's dependencies have been invalidated
   // (this is expensive!)
   static void check_all_dependencies(DepChange& changes);
--- a/src/share/vm/compiler/disassembler.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/compiler/disassembler.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -345,21 +345,6 @@
       if (WizardMode) st->print(" " INTPTR_FORMAT, (intptr_t)adr);
       return;
     }
-
-    oop obj;
-    if (_nm != NULL
-        && (obj = _nm->embeddedOop_at(cur_insn())) != NULL
-        && (address) obj == adr
-        && Universe::heap()->is_in(obj)
-        && Universe::heap()->is_in(obj->klass())) {
-      julong c = st->count();
-      obj->print_value_on(st);
-      if (st->count() == c) {
-        // No output.  (Can happen in product builds.)
-        st->print("(a %s)", obj->klass()->external_name());
-      }
-      return;
-    }
   }
 
   // Fall through to a simple (hexadecimal) numeral.
--- a/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -308,7 +308,7 @@
 
   inline ParScanThreadState& thread_state(int i);
 
-  void trace_promotion_failed(YoungGCTracer& gc_tracer);
+  void trace_promotion_failed(const YoungGCTracer* gc_tracer);
   void reset(int active_workers, bool promotion_failed);
   void flush();
 
@@ -357,10 +357,10 @@
   return ((ParScanThreadState*)_data)[i];
 }
 
-void ParScanThreadStateSet::trace_promotion_failed(YoungGCTracer& gc_tracer) {
+void ParScanThreadStateSet::trace_promotion_failed(const YoungGCTracer* gc_tracer) {
   for (int i = 0; i < length(); ++i) {
     if (thread_state(i).promotion_failed()) {
-      gc_tracer.report_promotion_failed(thread_state(i).promotion_failed_info());
+      gc_tracer->report_promotion_failed(thread_state(i).promotion_failed_info());
       thread_state(i).promotion_failed_info().reset();
     }
   }
@@ -883,7 +883,7 @@
 
 // A Generation that does parallel young-gen collection.
 
-void ParNewGeneration::handle_promotion_failed(GenCollectedHeap* gch, ParScanThreadStateSet& thread_state_set, ParNewTracer& gc_tracer) {
+void ParNewGeneration::handle_promotion_failed(GenCollectedHeap* gch, ParScanThreadStateSet& thread_state_set) {
   assert(_promo_failure_scan_stack.is_empty(), "post condition");
   _promo_failure_scan_stack.clear(true); // Clear cached segments.
 
@@ -899,10 +899,10 @@
   _next_gen->promotion_failure_occurred();
 
   // Trace promotion failure in the parallel GC threads
-  thread_state_set.trace_promotion_failed(gc_tracer);
+  thread_state_set.trace_promotion_failed(gc_tracer());
   // Single threaded code may have reported promotion failure to the global state
   if (_promotion_failed_info.has_failed()) {
-    gc_tracer.report_promotion_failed(_promotion_failed_info);
+    _gc_tracer.report_promotion_failed(_promotion_failed_info);
   }
   // Reset the PromotionFailureALot counters.
   NOT_PRODUCT(Universe::heap()->reset_promotion_should_fail();)
@@ -941,9 +941,8 @@
   }
   assert(to()->is_empty(), "Else not collection_attempt_is_safe");
 
-  ParNewTracer gc_tracer;
-  gc_tracer.report_gc_start(gch->gc_cause(), _gc_timer->gc_start());
-  gch->trace_heap_before_gc(&gc_tracer);
+  _gc_tracer.report_gc_start(gch->gc_cause(), _gc_timer->gc_start());
+  gch->trace_heap_before_gc(gc_tracer());
 
   init_assuming_no_promotion_failure();
 
@@ -952,7 +951,7 @@
     size_policy->minor_collection_begin();
   }
 
-  GCTraceTime t1(GCCauseString("GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, NULL, gc_tracer.gc_id());
+  GCTraceTime t1(GCCauseString("GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, NULL, _gc_tracer.gc_id());
   // Capture heap used before collection (for printing).
   size_t gch_prev_used = gch->used();
 
@@ -994,7 +993,7 @@
 
   // Trace and reset failed promotion info.
   if (promotion_failed()) {
-    thread_state_set.trace_promotion_failed(gc_tracer);
+    thread_state_set.trace_promotion_failed(gc_tracer());
   }
 
   // Process (weak) reference objects found during scavenge.
@@ -1015,16 +1014,16 @@
     ParNewRefProcTaskExecutor task_executor(*this, thread_state_set);
     stats = rp->process_discovered_references(&is_alive, &keep_alive,
                                               &evacuate_followers, &task_executor,
-                                              _gc_timer, gc_tracer.gc_id());
+                                              _gc_timer, _gc_tracer.gc_id());
   } else {
     thread_state_set.flush();
     gch->set_par_threads(0);  // 0 ==> non-parallel.
     gch->save_marks();
     stats = rp->process_discovered_references(&is_alive, &keep_alive,
                                               &evacuate_followers, NULL,
-                                              _gc_timer, gc_tracer.gc_id());
+                                              _gc_timer, _gc_tracer.gc_id());
   }
-  gc_tracer.report_gc_reference_stats(stats);
+  _gc_tracer.report_gc_reference_stats(stats);
   if (!promotion_failed()) {
     // Swap the survivor spaces.
     eden()->clear(SpaceDecorator::Mangle);
@@ -1049,7 +1048,7 @@
 
     adjust_desired_tenuring_threshold();
   } else {
-    handle_promotion_failed(gch, thread_state_set, gc_tracer);
+    handle_promotion_failed(gch, thread_state_set);
   }
   // set new iteration safe limit for the survivor spaces
   from()->set_concurrent_iteration_safe_limit(from()->top());
@@ -1088,12 +1087,12 @@
   }
   rp->verify_no_references_recorded();
 
-  gch->trace_heap_after_gc(&gc_tracer);
-  gc_tracer.report_tenuring_threshold(tenuring_threshold());
+  gch->trace_heap_after_gc(gc_tracer());
+  _gc_tracer.report_tenuring_threshold(tenuring_threshold());
 
   _gc_timer->register_gc_end();
 
-  gc_tracer.report_gc_end(_gc_timer->gc_end(), _gc_timer->time_partitions());
+  _gc_tracer.report_gc_end(_gc_timer->gc_end(), _gc_timer->time_partitions());
 }
 
 static int sum;
--- a/src/share/vm/gc_implementation/parNew/parNewGeneration.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/gc_implementation/parNew/parNewGeneration.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -333,6 +333,9 @@
   // references to live referent.
   DefNewGeneration::IsAliveClosure _is_alive_closure;
 
+  // GC tracer that should be used during collection.
+  ParNewTracer _gc_tracer;
+
   static oop real_forwardee_slow(oop obj);
   static void waste_some_time();
 
@@ -340,7 +343,7 @@
   // word being overwritten with a self-forwarding-pointer.
   void preserve_mark_if_necessary(oop obj, markOop m);
 
-  void handle_promotion_failed(GenCollectedHeap* gch, ParScanThreadStateSet& thread_state_set, ParNewTracer& gc_tracer);
+  void handle_promotion_failed(GenCollectedHeap* gch, ParScanThreadStateSet& thread_state_set);
 
  protected:
 
@@ -411,6 +414,10 @@
     return _plab_stats.desired_plab_sz();
   }
 
+  const ParNewTracer* gc_tracer() const {
+    return &_gc_tracer;
+  }
+
   static oop real_forwardee(oop obj);
 
   DEBUG_ONLY(static bool is_legal_forward_ptr(oop p);)
--- a/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -663,7 +663,7 @@
   }
 }
 
-void ParallelScavengeHeap::trace_heap(GCWhen::Type when, GCTracer* gc_tracer) {
+void ParallelScavengeHeap::trace_heap(GCWhen::Type when, const GCTracer* gc_tracer) {
   const PSHeapSummary& heap_summary = create_ps_heap_summary();
   gc_tracer->report_gc_heap_summary(when, heap_summary);
 
--- a/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -64,7 +64,7 @@
   // The task manager
   static GCTaskManager* _gc_task_manager;
 
-  void trace_heap(GCWhen::Type when, GCTracer* tracer);
+  void trace_heap(GCWhen::Type when, const GCTracer* tracer);
 
  protected:
   static inline size_t total_invocations();
--- a/src/share/vm/gc_implementation/shared/gcTrace.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/gc_implementation/shared/gcTrace.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -162,7 +162,7 @@
   _tenuring_threshold = UNSET_TENURING_THRESHOLD;
 }
 
-void YoungGCTracer::report_promotion_failed(const PromotionFailedInfo& pf_info) {
+void YoungGCTracer::report_promotion_failed(const PromotionFailedInfo& pf_info) const {
   assert_set_gc_id();
 
   send_promotion_failed_event(pf_info);
--- a/src/share/vm/gc_implementation/shared/gcTrace.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/gc_implementation/shared/gcTrace.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -153,7 +153,7 @@
   virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
 
  public:
-  void report_promotion_failed(const PromotionFailedInfo& pf_info);
+  void report_promotion_failed(const PromotionFailedInfo& pf_info) const;
   void report_tenuring_threshold(const uint tenuring_threshold);
 
   /*
--- a/src/share/vm/gc_interface/collectedHeap.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/gc_interface/collectedHeap.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -132,7 +132,7 @@
   assert_locked_or_safepoint(CodeCache_lock);
 }
 
-void CollectedHeap::trace_heap(GCWhen::Type when, GCTracer* gc_tracer) {
+void CollectedHeap::trace_heap(GCWhen::Type when, const GCTracer* gc_tracer) {
   const GCHeapSummary& heap_summary = create_heap_summary();
   gc_tracer->report_gc_heap_summary(when, heap_summary);
 
@@ -140,11 +140,11 @@
   gc_tracer->report_metaspace_summary(when, metaspace_summary);
 }
 
-void CollectedHeap::trace_heap_before_gc(GCTracer* gc_tracer) {
+void CollectedHeap::trace_heap_before_gc(const GCTracer* gc_tracer) {
   trace_heap(GCWhen::BeforeGC, gc_tracer);
 }
 
-void CollectedHeap::trace_heap_after_gc(GCTracer* gc_tracer) {
+void CollectedHeap::trace_heap_after_gc(const GCTracer* gc_tracer) {
   trace_heap(GCWhen::AfterGC, gc_tracer);
 }
 
--- a/src/share/vm/gc_interface/collectedHeap.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/gc_interface/collectedHeap.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -175,7 +175,7 @@
   // Fill with a single object (either an int array or a java.lang.Object).
   static inline void fill_with_object_impl(HeapWord* start, size_t words, bool zap = true);
 
-  virtual void trace_heap(GCWhen::Type when, GCTracer* tracer);
+  virtual void trace_heap(GCWhen::Type when, const GCTracer* tracer);
 
   // Verification functions
   virtual void check_for_bad_heap_word_value(HeapWord* addr, size_t size)
@@ -606,8 +606,8 @@
   virtual void register_nmethod(nmethod* nm);
   virtual void unregister_nmethod(nmethod* nm);
 
-  void trace_heap_before_gc(GCTracer* gc_tracer);
-  void trace_heap_after_gc(GCTracer* gc_tracer);
+  void trace_heap_before_gc(const GCTracer* gc_tracer);
+  void trace_heap_after_gc(const GCTracer* gc_tracer);
 
   // Heap verification
   virtual void verify(bool silent, VerifyOption option) = 0;
--- a/src/share/vm/gc_interface/gcCause.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/gc_interface/gcCause.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -103,9 +103,6 @@
     case _last_ditch_collection:
       return "Last ditch collection";
 
-    case _dcmd_gc_run:
-      return "Diagnostic Command";
-
     case _last_gc_cause:
       return "ILLEGAL VALUE - last gc cause - ILLEGAL VALUE";
 
--- a/src/share/vm/gc_interface/gcCause.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/gc_interface/gcCause.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -74,9 +74,6 @@
     _g1_humongous_allocation,
 
     _last_ditch_collection,
-
-    _dcmd_gc_run,
-
     _last_gc_cause
   };
 
--- a/src/share/vm/memory/allocation.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/memory/allocation.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -275,31 +275,30 @@
     Chunk* cur = NULL;
     Chunk* next;
     {
-    // if we have more than n chunks, free all of them
-    ThreadCritical tc;
-    if (_num_chunks > n) {
-      // free chunks at end of queue, for better locality
+      // if we have more than n chunks, free all of them
+      ThreadCritical tc;
+      if (_num_chunks > n) {
+        // free chunks at end of queue, for better locality
         cur = _first;
-      for (size_t i = 0; i < (n - 1) && cur != NULL; i++) cur = cur->next();
+        for (size_t i = 0; i < (n - 1) && cur != NULL; i++) cur = cur->next();
 
-      if (cur != NULL) {
+        if (cur != NULL) {
           next = cur->next();
-        cur->set_next(NULL);
-        cur = next;
+          cur->set_next(NULL);
+          cur = next;
 
-          _num_chunks = n;
+          // Free all remaining chunks while in ThreadCritical lock
+          // so NMT adjustment is stable.
+          while(cur != NULL) {
+            next = cur->next();
+            os::free(cur);
+            _num_chunks--;
+            cur = next;
+          }
         }
       }
     }
-
-    // Free all remaining chunks, outside of ThreadCritical
-    // to avoid deadlock with NMT
-        while(cur != NULL) {
-          next = cur->next();
-      os::free(cur);
-          cur = next;
-        }
-      }
+  }
 
   // Accessors to preallocated pool's
   static ChunkPool* large_pool()  { assert(_large_pool  != NULL, "must be initialized"); return _large_pool;  }
@@ -384,7 +383,9 @@
    case Chunk::medium_size: ChunkPool::medium_pool()->free(c); break;
    case Chunk::init_size:   ChunkPool::small_pool()->free(c); break;
    case Chunk::tiny_size:   ChunkPool::tiny_pool()->free(c); break;
-   default:                 os::free(c);
+   default:
+     ThreadCritical tc;  // Free chunks under TC lock so that NMT adjustment is stable.
+     os::free(c);
   }
 }
 
--- a/src/share/vm/memory/filemap.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/memory/filemap.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -388,7 +388,8 @@
   remove(_full_path);
   int fd = open(_full_path, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0444);
   if (fd < 0) {
-    fail_stop("Unable to create shared archive file %s.", _full_path);
+    fail_stop("Unable to create shared archive file %s: (%s).", _full_path,
+              strerror(errno));
   }
   _fd = fd;
   _file_offset = 0;
--- a/src/share/vm/memory/genCollectedHeap.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/memory/genCollectedHeap.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -108,12 +108,11 @@
   // Allocate space for the heap.
 
   char* heap_address;
-  size_t total_reserved = 0;
   ReservedSpace heap_rs;
 
   size_t heap_alignment = collector_policy()->heap_alignment();
 
-  heap_address = allocate(heap_alignment, &total_reserved, &heap_rs);
+  heap_address = allocate(heap_alignment, &heap_rs);
 
   if (!heap_rs.is_reserved()) {
     vm_shutdown_during_initialization(
@@ -149,7 +148,6 @@
 
 
 char* GenCollectedHeap::allocate(size_t alignment,
-                                 size_t* _total_reserved,
                                  ReservedSpace* heap_rs){
   const char overflow_msg[] = "The size of the object heap + VM data exceeds "
     "the maximum representable size";
@@ -171,8 +169,6 @@
          err_msg("Gen size; total_reserved=" SIZE_FORMAT ", alignment="
                  SIZE_FORMAT, total_reserved, alignment));
 
-  *_total_reserved = total_reserved;
-
   *heap_rs = Universe::reserve_heap(total_reserved, alignment);
   return heap_rs->base();
 }
--- a/src/share/vm/memory/genCollectedHeap.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/memory/genCollectedHeap.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -124,7 +124,9 @@
 
   // Returns JNI_OK on success
   virtual jint initialize();
-  char* allocate(size_t alignment, size_t* _total_reserved, ReservedSpace* heap_rs);
+
+  // Reserve aligned space for the heap as needed by the contained generations.
+  char* allocate(size_t alignment, ReservedSpace* heap_rs);
 
   // Does operations required after initialization has been done.
   void post_initialize();
--- a/src/share/vm/memory/tenuredGeneration.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/memory/tenuredGeneration.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,7 +25,6 @@
 #include "precompiled.hpp"
 #include "gc_implementation/shared/collectorCounters.hpp"
 #include "gc_implementation/shared/gcTimer.hpp"
-#include "gc_implementation/shared/parGCAllocBuffer.hpp"
 #include "memory/allocation.inline.hpp"
 #include "memory/blockOffsetTable.inline.hpp"
 #include "memory/cardGeneration.inline.hpp"
--- a/src/share/vm/opto/callnode.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/callnode.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1982,6 +1982,7 @@
 
 
 Node *ArrayCopyNode::Ideal(PhaseGVN *phase, bool can_reshape) {
+  if (remove_dead_region(phase, can_reshape))  return this;
 
   if (StressArrayCopyMacroNode && !can_reshape) return NULL;
 
--- a/src/share/vm/opto/classes.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/classes.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -200,6 +200,7 @@
 macro(Opaque1)
 macro(Opaque2)
 macro(Opaque3)
+macro(ProfileBoolean)
 macro(OrI)
 macro(OrL)
 macro(OverflowAddI)
@@ -216,8 +217,6 @@
 macro(PopCountL)
 macro(PowD)
 macro(PrefetchAllocation)
-macro(PrefetchRead)
-macro(PrefetchWrite)
 macro(Proj)
 macro(RShiftI)
 macro(RShiftL)
--- a/src/share/vm/opto/compile.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/compile.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -3105,6 +3105,7 @@
   default:
     assert( !n->is_Call(), "" );
     assert( !n->is_Mem(), "" );
+    assert( nop != Op_ProfileBoolean, "should be eliminated during IGVN");
     break;
   }
 
@@ -3321,6 +3322,9 @@
 bool Compile::too_many_traps(ciMethod* method,
                              int bci,
                              Deoptimization::DeoptReason reason) {
+  if (method->has_injected_profile()) {
+    return false;
+  }
   ciMethodData* md = method->method_data();
   if (md->is_empty()) {
     // Assume the trap has not occurred, or that it occurred only
@@ -3370,6 +3374,9 @@
 bool Compile::too_many_recompiles(ciMethod* method,
                                   int bci,
                                   Deoptimization::DeoptReason reason) {
+  if (method->has_injected_profile()) {
+    return false;
+  }
   ciMethodData* md = method->method_data();
   if (md->is_empty()) {
     // Assume the trap has not occurred, or that it occurred only
--- a/src/share/vm/opto/divnode.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/divnode.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -219,7 +219,7 @@
 static bool magic_long_divide_constants(jlong d, jlong &M, jint &s) {
   int64_t p;
   uint64_t ad, anc, delta, q1, r1, q2, r2, t;
-  const uint64_t two63 = 0x8000000000000000LL;     // 2**63.
+  const uint64_t two63 = UCONST64(0x8000000000000000);     // 2**63.
 
   ad = ABS(d);
   if (d == 0 || d == 1) return false;
--- a/src/share/vm/opto/escape.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/escape.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -206,6 +206,11 @@
     _verify = false;
   }
 #endif
+  // Bytecode analyzer BCEscapeAnalyzer, used for Call nodes
+  // processing, calls to CI to resolve symbols (types, fields, methods)
+  // referenced in bytecode. During symbol resolution VM may throw
+  // an exception which CI cleans and converts to compilation failure.
+  if (C->failing())  return false;
 
   // 2. Finish Graph construction by propagating references to all
   //    java objects through graph.
--- a/src/share/vm/opto/graphKit.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/graphKit.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1986,6 +1986,11 @@
         Deoptimization::trap_request_index(trap_request) < 0 &&
         too_many_recompiles(reason)) {
       // This BCI is causing too many recompilations.
+      if (C->log() != NULL) {
+        C->log()->elem("observe that='trap_action_change' reason='%s' from='%s' to='none'",
+                Deoptimization::trap_reason_name(reason),
+                Deoptimization::trap_action_name(action));
+      }
       action = Deoptimization::Action_none;
       trap_request = Deoptimization::make_trap_request(reason, action);
     } else {
@@ -2760,7 +2765,7 @@
   Deoptimization::DeoptReason reason = Deoptimization::reason_class_check(spec_klass != NULL);
 
   // Make sure we haven't already deoptimized from this tactic.
-  if (too_many_traps(reason))
+  if (too_many_traps(reason) || too_many_recompiles(reason))
     return NULL;
 
   // (No, this isn't a call, but it's enough like a virtual call
@@ -2782,8 +2787,7 @@
                                             &exact_obj);
       { PreserveJVMState pjvms(this);
         set_control(slow_ctl);
-        uncommon_trap(reason,
-                      Deoptimization::Action_maybe_recompile);
+        uncommon_trap_exact(reason, Deoptimization::Action_maybe_recompile);
       }
       if (safe_for_replace) {
         replace_in_map(not_null_obj, exact_obj);
@@ -2812,8 +2816,12 @@
   if (type != NULL) {
     Deoptimization::DeoptReason class_reason = Deoptimization::Reason_speculate_class_check;
     Deoptimization::DeoptReason null_reason = Deoptimization::Reason_speculate_null_check;
-    if (!too_many_traps(null_reason) &&
-        !too_many_traps(class_reason)) {
+    ciMethod* trap_method = (sfpt == NULL) ? method() : sfpt->jvms()->method();
+    int trap_bci = (sfpt == NULL) ? bci() : sfpt->jvms()->bci();
+
+    if (!too_many_traps(null_reason) && !too_many_recompiles(null_reason) &&
+        !C->too_many_traps(trap_method, trap_bci, class_reason) &&
+        !C->too_many_recompiles(trap_method, trap_bci, class_reason)) {
       Node* not_null_obj = NULL;
       // not_null is true if we know the object is not null and
       // there's no need for a null check
@@ -2833,19 +2841,18 @@
         GraphKit kit(sfpt->jvms());
         PreserveJVMState pjvms(&kit);
         kit.set_control(slow_ctl);
-        kit.uncommon_trap(class_reason,
-                          Deoptimization::Action_maybe_recompile);
+        kit.uncommon_trap_exact(class_reason, Deoptimization::Action_maybe_recompile);
       } else {
         PreserveJVMState pjvms(this);
         set_control(slow_ctl);
-        uncommon_trap(class_reason,
-                      Deoptimization::Action_maybe_recompile);
+        uncommon_trap_exact(class_reason, Deoptimization::Action_maybe_recompile);
       }
       replace_in_map(not_null_obj, exact_obj);
       obj = exact_obj;
     }
   } else {
-    if (!too_many_traps(Deoptimization::Reason_null_assert)) {
+    if (!too_many_traps(Deoptimization::Reason_null_assert) &&
+        !too_many_recompiles(Deoptimization::Reason_null_assert)) {
       Node* exact_obj = null_assert(obj);
       replace_in_map(obj, exact_obj);
       obj = exact_obj;
--- a/src/share/vm/opto/graphKit.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/graphKit.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -714,6 +714,15 @@
                   klass, reason_string, must_throw, keep_exact_action);
   }
 
+  // Bail out to the interpreter and keep exact action (avoid switching to Action_none).
+  void uncommon_trap_exact(Deoptimization::DeoptReason reason,
+                           Deoptimization::DeoptAction action,
+                           ciKlass* klass = NULL, const char* reason_string = NULL,
+                           bool must_throw = false) {
+    uncommon_trap(Deoptimization::make_trap_request(reason, action),
+                  klass, reason_string, must_throw, /*keep_exact_action=*/true);
+  }
+
   // SP when bytecode needs to be reexecuted.
   virtual int reexecute_sp() { return sp(); }
 
--- a/src/share/vm/opto/ifnode.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/ifnode.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -145,10 +145,18 @@
       Node* v = u->fast_out(k); // User of the phi
       // CNC - Allow only really simple patterns.
       // In particular I disallow AddP of the Phi, a fairly common pattern
-      if( v == cmp ) continue;  // The compare is OK
-      if( (v->is_ConstraintCast()) &&
-          v->in(0)->in(0) == iff )
-        continue;               // CastPP/II of the IfNode is OK
+      if (v == cmp) continue;  // The compare is OK
+      if (v->is_ConstraintCast()) {
+        // If the cast is derived from data flow edges, it may not have a control edge.
+        // If so, it should be safe to split. But follow-up code can not deal with
+        // this (l. 359). So skip.
+        if (v->in(0) == NULL) {
+          return NULL;
+        }
+        if (v->in(0)->in(0) == iff) {
+          continue;               // CastPP/II of the IfNode is OK
+        }
+      }
       // Disabled following code because I cannot tell if exactly one
       // path dominates without a real dominator check. CNC 9/9/1999
       //uint vop = v->Opcode();
--- a/src/share/vm/opto/library_call.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/library_call.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -41,6 +41,7 @@
 #include "opto/movenode.hpp"
 #include "opto/mulnode.hpp"
 #include "opto/narrowptrnode.hpp"
+#include "opto/opaquenode.hpp"
 #include "opto/parse.hpp"
 #include "opto/runtime.hpp"
 #include "opto/subnode.hpp"
@@ -232,7 +233,6 @@
   // Unsafe.getObject should be recorded in an SATB log buffer.
   void insert_pre_barrier(Node* base_oop, Node* offset, Node* pre_val, bool need_mem_bar);
   bool inline_unsafe_access(bool is_native_ptr, bool is_store, BasicType type, bool is_volatile);
-  bool inline_unsafe_prefetch(bool is_native_ptr, bool is_store, bool is_static);
   static bool klass_needs_init_guard(Node* kls);
   bool inline_unsafe_allocate();
   bool inline_unsafe_copyMemory();
@@ -287,6 +287,8 @@
   bool inline_updateBytesCRC32();
   bool inline_updateByteBufferCRC32();
   bool inline_multiplyToLen();
+
+  bool inline_profileBoolean();
 };
 
 
@@ -796,11 +798,6 @@
   case vmIntrinsics::_putFloatVolatile:         return inline_unsafe_access(!is_native_ptr,  is_store, T_FLOAT,    is_volatile);
   case vmIntrinsics::_putDoubleVolatile:        return inline_unsafe_access(!is_native_ptr,  is_store, T_DOUBLE,   is_volatile);
 
-  case vmIntrinsics::_prefetchRead:             return inline_unsafe_prefetch(!is_native_ptr, !is_store, !is_static);
-  case vmIntrinsics::_prefetchWrite:            return inline_unsafe_prefetch(!is_native_ptr,  is_store, !is_static);
-  case vmIntrinsics::_prefetchReadStatic:       return inline_unsafe_prefetch(!is_native_ptr, !is_store,  is_static);
-  case vmIntrinsics::_prefetchWriteStatic:      return inline_unsafe_prefetch(!is_native_ptr,  is_store,  is_static);
-
   case vmIntrinsics::_compareAndSwapObject:     return inline_unsafe_load_store(T_OBJECT, LS_cmpxchg);
   case vmIntrinsics::_compareAndSwapInt:        return inline_unsafe_load_store(T_INT,    LS_cmpxchg);
   case vmIntrinsics::_compareAndSwapLong:       return inline_unsafe_load_store(T_LONG,   LS_cmpxchg);
@@ -900,6 +897,9 @@
   case vmIntrinsics::_updateByteBufferCRC32:
     return inline_updateByteBufferCRC32();
 
+  case vmIntrinsics::_profileBoolean:
+    return inline_profileBoolean();
+
   default:
     // If you get here, it may be that someone has added a new intrinsic
     // to the list in vmSymbols.hpp without implementing it here.
@@ -2506,7 +2506,7 @@
 
   Node* receiver = argument(0);  // type: oop
 
-  // Build address expression.  See the code in inline_unsafe_prefetch.
+  // Build address expression.
   Node* adr;
   Node* heap_base_oop = top();
   Node* offset = top();
@@ -2695,73 +2695,6 @@
   return true;
 }
 
-//----------------------------inline_unsafe_prefetch----------------------------
-
-bool LibraryCallKit::inline_unsafe_prefetch(bool is_native_ptr, bool is_store, bool is_static) {
-#ifndef PRODUCT
-  {
-    ResourceMark rm;
-    // Check the signatures.
-    ciSignature* sig = callee()->signature();
-#ifdef ASSERT
-    // Object getObject(Object base, int/long offset), etc.
-    BasicType rtype = sig->return_type()->basic_type();
-    if (!is_native_ptr) {
-      assert(sig->count() == 2, "oop prefetch has 2 arguments");
-      assert(sig->type_at(0)->basic_type() == T_OBJECT, "prefetch base is object");
-      assert(sig->type_at(1)->basic_type() == T_LONG, "prefetcha offset is correct");
-    } else {
-      assert(sig->count() == 1, "native prefetch has 1 argument");
-      assert(sig->type_at(0)->basic_type() == T_LONG, "prefetch base is long");
-    }
-#endif // ASSERT
-  }
-#endif // !PRODUCT
-
-  C->set_has_unsafe_access(true);  // Mark eventual nmethod as "unsafe".
-
-  const int idx = is_static ? 0 : 1;
-  if (!is_static) {
-    null_check_receiver();
-    if (stopped()) {
-      return true;
-    }
-  }
-
-  // Build address expression.  See the code in inline_unsafe_access.
-  Node *adr;
-  if (!is_native_ptr) {
-    // The base is either a Java object or a value produced by Unsafe.staticFieldBase
-    Node* base   = argument(idx + 0);  // type: oop
-    // The offset is a value produced by Unsafe.staticFieldOffset or Unsafe.objectFieldOffset
-    Node* offset = argument(idx + 1);  // type: long
-    // We currently rely on the cookies produced by Unsafe.xxxFieldOffset
-    // to be plain byte offsets, which are also the same as those accepted
-    // by oopDesc::field_base.
-    assert(Unsafe_field_offset_to_byte_offset(11) == 11,
-           "fieldOffset must be byte-scaled");
-    // 32-bit machines ignore the high half!
-    offset = ConvL2X(offset);
-    adr = make_unsafe_address(base, offset);
-  } else {
-    Node* ptr = argument(idx + 0);  // type: long
-    ptr = ConvL2X(ptr);  // adjust Java long to machine word
-    adr = make_unsafe_address(NULL, ptr);
-  }
-
-  // Generate the read or write prefetch
-  Node *prefetch;
-  if (is_store) {
-    prefetch = new PrefetchWriteNode(i_o(), adr);
-  } else {
-    prefetch = new PrefetchReadNode(i_o(), adr);
-  }
-  prefetch->init_req(0, control());
-  set_i_o(_gvn.transform(prefetch));
-
-  return true;
-}
-
 //----------------------------inline_unsafe_load_store----------------------------
 // This method serves a couple of different customers (depending on LoadStoreKind):
 //
@@ -4734,6 +4667,8 @@
   // tightly_coupled_allocation()
   AllocateArrayNode* alloc = tightly_coupled_allocation(dest, NULL);
 
+  ciMethod* trap_method = method();
+  int trap_bci = bci();
   SafePointNode* sfpt = NULL;
   if (alloc != NULL) {
     // The JVM state for uncommon traps between the allocation and
@@ -4758,6 +4693,9 @@
 
     sfpt->set_i_o(map()->i_o());
     sfpt->set_memory(map()->memory());
+
+    trap_method = jvms->method();
+    trap_bci = jvms->bci();
   }
 
   bool validated = false;
@@ -4862,7 +4800,7 @@
     }
   }
 
-  if (!too_many_traps(Deoptimization::Reason_intrinsic) && !src->is_top() && !dest->is_top()) {
+  if (!C->too_many_traps(trap_method, trap_bci, Deoptimization::Reason_intrinsic) && !src->is_top() && !dest->is_top()) {
     // validate arguments: enables transformation the ArrayCopyNode
     validated = true;
 
@@ -5867,3 +5805,47 @@
 
   return instof_false;  // even if it is NULL
 }
+
+bool LibraryCallKit::inline_profileBoolean() {
+  Node* counts = argument(1);
+  const TypeAryPtr* ary = NULL;
+  ciArray* aobj = NULL;
+  if (counts->is_Con()
+      && (ary = counts->bottom_type()->isa_aryptr()) != NULL
+      && (aobj = ary->const_oop()->as_array()) != NULL
+      && (aobj->length() == 2)) {
+    // Profile is int[2] where [0] and [1] correspond to false and true value occurrences respectively.
+    jint false_cnt = aobj->element_value(0).as_int();
+    jint  true_cnt = aobj->element_value(1).as_int();
+
+    method()->set_injected_profile(true);
+
+    if (C->log() != NULL) {
+      C->log()->elem("observe source='profileBoolean' false='%d' true='%d'",
+                     false_cnt, true_cnt);
+    }
+
+    if (false_cnt + true_cnt == 0) {
+      // According to profile, never executed.
+      uncommon_trap_exact(Deoptimization::Reason_intrinsic,
+                          Deoptimization::Action_reinterpret);
+      return true;
+    }
+    // Stop profiling.
+    // MethodHandleImpl::profileBoolean() has profiling logic in it's bytecode.
+    // By replacing method's body with profile data (represented as ProfileBooleanNode
+    // on IR level) we effectively disable profiling.
+    // It enables full speed execution once optimized code is generated.
+    Node* profile = _gvn.transform(new ProfileBooleanNode(argument(0), false_cnt, true_cnt));
+    C->record_for_igvn(profile);
+    set_result(profile);
+    return true;
+  } else {
+    // Continue profiling.
+    // Profile data isn't available at the moment. So, execute method's bytecode version.
+    // Usually, when GWT LambdaForms are profiled it means that a stand-alone nmethod
+    // is compiled and counters aren't available since corresponding MethodHandle
+    // isn't a compile-time constant.
+    return false;
+  }
+}
--- a/src/share/vm/opto/matcher.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/matcher.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -884,8 +884,6 @@
   // %%% Kludgery.  Instead, fix ideal adr_type methods for all these cases:
   if (nidx == Compile::AliasIdxTop && midx == Compile::AliasIdxRaw) {
     switch (n->Opcode()) {
-    case Op_PrefetchRead:
-    case Op_PrefetchWrite:
     case Op_PrefetchAllocation:
       nidx = Compile::AliasIdxRaw;
       nat = TypeRawPtr::BOTTOM;
--- a/src/share/vm/opto/memnode.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/memnode.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1376,26 +1376,6 @@
 
 //------------------------------Prefetch---------------------------------------
 
-// Non-faulting prefetch load.  Prefetch for many reads.
-class PrefetchReadNode : public Node {
-public:
-  PrefetchReadNode(Node *abio, Node *adr) : Node(0,abio,adr) {}
-  virtual int Opcode() const;
-  virtual uint ideal_reg() const { return NotAMachineReg; }
-  virtual uint match_edge(uint idx) const { return idx==2; }
-  virtual const Type *bottom_type() const { return Type::ABIO; }
-};
-
-// Non-faulting prefetch load.  Prefetch for many reads & many writes.
-class PrefetchWriteNode : public Node {
-public:
-  PrefetchWriteNode(Node *abio, Node *adr) : Node(0,abio,adr) {}
-  virtual int Opcode() const;
-  virtual uint ideal_reg() const { return NotAMachineReg; }
-  virtual uint match_edge(uint idx) const { return idx==2; }
-  virtual const Type *bottom_type() const { return Type::ABIO; }
-};
-
 // Allocation prefetch which may fault, TLAB size have to be adjusted.
 class PrefetchAllocationNode : public Node {
 public:
--- a/src/share/vm/opto/opaquenode.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/opaquenode.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -60,4 +60,27 @@
   return (&n == this);          // Always fail except on self
 }
 
+//=============================================================================
 
+uint ProfileBooleanNode::hash() const { return NO_HASH; }
+uint ProfileBooleanNode::cmp( const Node &n ) const {
+  return (&n == this);
+}
+
+Node *ProfileBooleanNode::Ideal(PhaseGVN *phase, bool can_reshape) {
+  if (can_reshape && _delay_removal) {
+    _delay_removal = false;
+    return this;
+  } else {
+    return NULL;
+  }
+}
+
+Node *ProfileBooleanNode::Identity( PhaseTransform *phase ) {
+  if (_delay_removal) {
+    return this;
+  } else {
+    assert(_consumed, "profile should be consumed before elimination");
+    return in(1);
+  }
+}
--- a/src/share/vm/opto/opaquenode.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/opaquenode.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -87,5 +87,31 @@
   bool rtm_opt() const { return (_opt == RTM_OPT); }
 };
 
+//------------------------------ProfileBooleanNode-------------------------------
+// A node represents value profile for a boolean during parsing.
+// Once parsing is over, the node goes away (during IGVN).
+// It is used to override branch frequencies from MDO (see has_injected_profile in parse2.cpp).
+class ProfileBooleanNode : public Node {
+  uint _false_cnt;
+  uint _true_cnt;
+  bool _consumed;
+  bool _delay_removal;
+  virtual uint hash() const ;                  // { return NO_HASH; }
+  virtual uint cmp( const Node &n ) const;
+  public:
+  ProfileBooleanNode(Node *n, uint false_cnt, uint true_cnt) : Node(0, n),
+          _false_cnt(false_cnt), _true_cnt(true_cnt), _delay_removal(true), _consumed(false) {}
+
+  uint false_count() const { return _false_cnt; }
+  uint  true_count() const { return  _true_cnt; }
+
+  void consume() { _consumed = true;  }
+
+  virtual int Opcode() const;
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual Node *Identity(PhaseTransform *phase);
+  virtual const Type *bottom_type() const { return TypeInt::BOOL; }
+};
+
 #endif // SHARE_VM_OPTO_OPAQUENODE_HPP
 
--- a/src/share/vm/opto/parse.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/parse.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -555,8 +555,8 @@
   void do_jsr();
   void do_ret();
 
-  float   dynamic_branch_prediction(float &cnt);
-  float   branch_prediction(float &cnt, BoolTest::mask btest, int target_bci);
+  float   dynamic_branch_prediction(float &cnt, BoolTest::mask btest, Node* test);
+  float   branch_prediction(float &cnt, BoolTest::mask btest, int target_bci, Node* test);
   bool    seems_never_taken(float prob) const;
   bool    path_is_suitable_for_uncommon_trap(float prob) const;
   bool    seems_stable_comparison() const;
--- a/src/share/vm/opto/parse2.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/opto/parse2.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -37,6 +37,7 @@
 #include "opto/matcher.hpp"
 #include "opto/memnode.hpp"
 #include "opto/mulnode.hpp"
+#include "opto/opaquenode.hpp"
 #include "opto/parse.hpp"
 #include "opto/runtime.hpp"
 #include "runtime/deoptimization.hpp"
@@ -763,35 +764,64 @@
   merge_common(target, pnum);
 }
 
+static bool has_injected_profile(BoolTest::mask btest, Node* test, int& taken, int& not_taken) {
+  if (btest != BoolTest::eq && btest != BoolTest::ne) {
+    // Only ::eq and ::ne are supported for profile injection.
+    return false;
+  }
+  if (test->is_Cmp() &&
+      test->in(1)->Opcode() == Op_ProfileBoolean) {
+    ProfileBooleanNode* profile = (ProfileBooleanNode*)test->in(1);
+    int false_cnt = profile->false_count();
+    int  true_cnt = profile->true_count();
+
+    // Counts matching depends on the actual test operation (::eq or ::ne).
+    // No need to scale the counts because profile injection was designed
+    // to feed exact counts into VM.
+    taken     = (btest == BoolTest::eq) ? false_cnt :  true_cnt;
+    not_taken = (btest == BoolTest::eq) ?  true_cnt : false_cnt;
+
+    profile->consume();
+    return true;
+  }
+  return false;
+}
 //--------------------------dynamic_branch_prediction--------------------------
 // Try to gather dynamic branch prediction behavior.  Return a probability
 // of the branch being taken and set the "cnt" field.  Returns a -1.0
 // if we need to use static prediction for some reason.
-float Parse::dynamic_branch_prediction(float &cnt) {
+float Parse::dynamic_branch_prediction(float &cnt, BoolTest::mask btest, Node* test) {
   ResourceMark rm;
 
   cnt  = COUNT_UNKNOWN;
 
-  // Use MethodData information if it is available
-  // FIXME: free the ProfileData structure
-  ciMethodData* methodData = method()->method_data();
-  if (!methodData->is_mature())  return PROB_UNKNOWN;
-  ciProfileData* data = methodData->bci_to_data(bci());
-  if (!data->is_JumpData())  return PROB_UNKNOWN;
+  int     taken = 0;
+  int not_taken = 0;
 
-  // get taken and not taken values
-  int     taken = data->as_JumpData()->taken();
-  int not_taken = 0;
-  if (data->is_BranchData()) {
-    not_taken = data->as_BranchData()->not_taken();
+  bool use_mdo = !has_injected_profile(btest, test, taken, not_taken);
+
+  if (use_mdo) {
+    // Use MethodData information if it is available
+    // FIXME: free the ProfileData structure
+    ciMethodData* methodData = method()->method_data();
+    if (!methodData->is_mature())  return PROB_UNKNOWN;
+    ciProfileData* data = methodData->bci_to_data(bci());
+    if (!data->is_JumpData())  return PROB_UNKNOWN;
+
+    // get taken and not taken values
+    taken = data->as_JumpData()->taken();
+    not_taken = 0;
+    if (data->is_BranchData()) {
+      not_taken = data->as_BranchData()->not_taken();
+    }
+
+    // scale the counts to be commensurate with invocation counts:
+    taken = method()->scale_count(taken);
+    not_taken = method()->scale_count(not_taken);
   }
 
-  // scale the counts to be commensurate with invocation counts:
-  taken = method()->scale_count(taken);
-  not_taken = method()->scale_count(not_taken);
-
   // Give up if too few (or too many, in which case the sum will overflow) counts to be meaningful.
-  // We also check that individual counters are positive first, overwise the sum can become positive.
+  // We also check that individual counters are positive first, otherwise the sum can become positive.
   if (taken < 0 || not_taken < 0 || taken + not_taken < 40) {
     if (C->log() != NULL) {
       C->log()->elem("branch target_bci='%d' taken='%d' not_taken='%d'", iter().get_dest(), taken, not_taken);
@@ -841,8 +871,9 @@
 //-----------------------------branch_prediction-------------------------------
 float Parse::branch_prediction(float& cnt,
                                BoolTest::mask btest,
-                               int target_bci) {
-  float prob = dynamic_branch_prediction(cnt);
+                               int target_bci,
+                               Node* test) {
+  float prob = dynamic_branch_prediction(cnt, btest, test);
   // If prob is unknown, switch to static prediction
   if (prob != PROB_UNKNOWN)  return prob;
 
@@ -932,7 +963,7 @@
   Block* next_block   = successor_for_bci(iter().next_bci());
 
   float cnt;
-  float prob = branch_prediction(cnt, btest, target_bci);
+  float prob = branch_prediction(cnt, btest, target_bci, c);
   if (prob == PROB_UNKNOWN) {
     // (An earlier version of do_ifnull omitted this trap for OSR methods.)
 #ifndef PRODUCT
@@ -1013,7 +1044,7 @@
   Block* next_block   = successor_for_bci(iter().next_bci());
 
   float cnt;
-  float prob = branch_prediction(cnt, btest, target_bci);
+  float prob = branch_prediction(cnt, btest, target_bci, c);
   float untaken_prob = 1.0 - prob;
 
   if (prob == PROB_UNKNOWN) {
--- a/src/share/vm/prims/jvm.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/prims/jvm.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -45,7 +45,6 @@
 #include "prims/privilegedStack.hpp"
 #include "runtime/arguments.hpp"
 #include "runtime/atomic.inline.hpp"
-#include "runtime/dtraceJSDT.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/init.hpp"
 #include "runtime/interfaceSupport.hpp"
@@ -304,7 +303,7 @@
 // java.lang.System, but we choose to keep it here so that it stays next
 // to JVM_CurrentTimeMillis and JVM_NanoTime
 
-const jlong MAX_DIFF_SECS = 0x0100000000LL; //  2^32
+const jlong MAX_DIFF_SECS = CONST64(0x0100000000); //  2^32
 const jlong MIN_DIFF_SECS = -MAX_DIFF_SECS; // -2^32
 
 JVM_LEAF(jlong, JVM_GetNanoTimeAdjustment(JNIEnv *env, jclass ignored, jlong offset_secs))
@@ -3562,36 +3561,6 @@
   return VM_Version::supports_cx8();
 JVM_END
 
-// DTrace ///////////////////////////////////////////////////////////////////
-
-JVM_ENTRY(jint, JVM_DTraceGetVersion(JNIEnv* env))
-  JVMWrapper("JVM_DTraceGetVersion");
-  return (jint)JVM_TRACING_DTRACE_VERSION;
-JVM_END
-
-JVM_ENTRY(jlong,JVM_DTraceActivate(
-    JNIEnv* env, jint version, jstring module_name, jint providers_count,
-    JVM_DTraceProvider* providers))
-  JVMWrapper("JVM_DTraceActivate");
-  return DTraceJSDT::activate(
-    version, module_name, providers_count, providers, THREAD);
-JVM_END
-
-JVM_ENTRY(jboolean,JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method))
-  JVMWrapper("JVM_DTraceIsProbeEnabled");
-  return DTraceJSDT::is_probe_enabled(method);
-JVM_END
-
-JVM_ENTRY(void,JVM_DTraceDispose(JNIEnv* env, jlong handle))
-  JVMWrapper("JVM_DTraceDispose");
-  DTraceJSDT::dispose(handle);
-JVM_END
-
-JVM_ENTRY(jboolean,JVM_DTraceIsSupported(JNIEnv* env))
-  JVMWrapper("JVM_DTraceIsSupported");
-  return DTraceJSDT::is_supported();
-JVM_END
-
 // Returns an array of all live Thread objects (VM internal JavaThreads,
 // jvmti agent threads, and JNI attaching threads  are skipped)
 // See CR 6404306 regarding JNI attaching threads
--- a/src/share/vm/prims/jvm.h	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/prims/jvm.h	Mon Feb 16 08:47:39 2015 -0800
@@ -568,83 +568,6 @@
 JNIEXPORT jboolean JNICALL
 JVM_SupportsCX8(void);
 
-/*
- * com.sun.dtrace.jsdt support
- */
-
-#define JVM_TRACING_DTRACE_VERSION 1
-
-/*
- * Structure to pass one probe description to JVM.
- *
- * The VM will overwrite the definition of the referenced method with
- * code that will fire the probe.
- */
-typedef struct {
-    jmethodID method;
-    jstring   function;
-    jstring   name;
-    void*     reserved[4];     // for future use
-} JVM_DTraceProbe;
-
-/**
- * Encapsulates the stability ratings for a DTrace provider field
- */
-typedef struct {
-    jint nameStability;
-    jint dataStability;
-    jint dependencyClass;
-} JVM_DTraceInterfaceAttributes;
-
-/*
- * Structure to pass one provider description to JVM
- */
-typedef struct {
-    jstring                       name;
-    JVM_DTraceProbe*              probes;
-    jint                          probe_count;
-    JVM_DTraceInterfaceAttributes providerAttributes;
-    JVM_DTraceInterfaceAttributes moduleAttributes;
-    JVM_DTraceInterfaceAttributes functionAttributes;
-    JVM_DTraceInterfaceAttributes nameAttributes;
-    JVM_DTraceInterfaceAttributes argsAttributes;
-    void*                         reserved[4]; // for future use
-} JVM_DTraceProvider;
-
-/*
- * Get the version number the JVM was built with
- */
-JNIEXPORT jint JNICALL
-JVM_DTraceGetVersion(JNIEnv* env);
-
-/*
- * Register new probe with given signature, return global handle
- *
- * The version passed in is the version that the library code was
- * built with.
- */
-JNIEXPORT jlong JNICALL
-JVM_DTraceActivate(JNIEnv* env, jint version, jstring module_name,
-  jint providers_count, JVM_DTraceProvider* providers);
-
-/*
- * Check JSDT probe
- */
-JNIEXPORT jboolean JNICALL
-JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method);
-
-/*
- * Destroy custom DOF
- */
-JNIEXPORT void JNICALL
-JVM_DTraceDispose(JNIEnv* env, jlong handle);
-
-/*
- * Check to see if DTrace is supported by OS
- */
-JNIEXPORT jboolean JNICALL
-JVM_DTraceIsSupported(JNIEnv* env);
-
 /*************************************************************************
  PART 2: Support for the Verifier and Class File Format Checker
  ************************************************************************/
--- a/src/share/vm/prims/unsafe.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/prims/unsafe.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -30,10 +30,8 @@
 #include "runtime/atomic.inline.hpp"
 #include "runtime/globals.hpp"
 #include "runtime/interfaceSupport.hpp"
-#include "runtime/prefetch.inline.hpp"
 #include "runtime/orderAccess.inline.hpp"
 #include "runtime/reflection.hpp"
-#include "runtime/synchronizer.hpp"
 #include "runtime/vm_version.hpp"
 #include "services/threadService.hpp"
 #include "trace/tracing.hpp"
@@ -596,17 +594,7 @@
   os::free(p);
 UNSAFE_END
 
-UNSAFE_ENTRY(void, Unsafe_SetMemory(JNIEnv *env, jobject unsafe, jlong addr, jlong size, jbyte value))
-  UnsafeWrapper("Unsafe_SetMemory");
-  size_t sz = (size_t)size;
-  if (sz != (julong)size || size < 0) {
-    THROW(vmSymbols::java_lang_IllegalArgumentException());
-  }
-  char* p = (char*) addr_from_java(addr);
-  Copy::fill_to_memory_atomic(p, sz, value);
-UNSAFE_END
-
-UNSAFE_ENTRY(void, Unsafe_SetMemory2(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jlong size, jbyte value))
+UNSAFE_ENTRY(void, Unsafe_SetMemory(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jlong size, jbyte value))
   UnsafeWrapper("Unsafe_SetMemory");
   size_t sz = (size_t)size;
   if (sz != (julong)size || size < 0) {
@@ -617,21 +605,7 @@
   Copy::fill_to_memory_atomic(p, sz, value);
 UNSAFE_END
 
-UNSAFE_ENTRY(void, Unsafe_CopyMemory(JNIEnv *env, jobject unsafe, jlong srcAddr, jlong dstAddr, jlong size))
-  UnsafeWrapper("Unsafe_CopyMemory");
-  if (size == 0) {
-    return;
-  }
-  size_t sz = (size_t)size;
-  if (sz != (julong)size || size < 0) {
-    THROW(vmSymbols::java_lang_IllegalArgumentException());
-  }
-  void* src = addr_from_java(srcAddr);
-  void* dst = addr_from_java(dstAddr);
-  Copy::conjoint_memory_atomic(src, dst, sz);
-UNSAFE_END
-
-UNSAFE_ENTRY(void, Unsafe_CopyMemory2(JNIEnv *env, jobject unsafe, jobject srcObj, jlong srcOffset, jobject dstObj, jlong dstOffset, jlong size))
+UNSAFE_ENTRY(void, Unsafe_CopyMemory(JNIEnv *env, jobject unsafe, jobject srcObj, jlong srcOffset, jobject dstObj, jlong dstOffset, jlong size))
   UnsafeWrapper("Unsafe_CopyMemory");
   if (size == 0) {
     return;
@@ -725,24 +699,6 @@
   return JNIHandles::make_local(env, mirror);
 UNSAFE_END
 
-//@deprecated
-UNSAFE_ENTRY(jint, Unsafe_FieldOffset(JNIEnv *env, jobject unsafe, jobject field))
-  UnsafeWrapper("Unsafe_FieldOffset");
-  // tries (but fails) to be polymorphic between static and non-static:
-  jlong offset = find_field_offset(field, -1, THREAD);
-  guarantee(offset == (jint)offset, "offset fits in 32 bits");
-  return (jint)offset;
-UNSAFE_END
-
-//@deprecated
-UNSAFE_ENTRY(jobject, Unsafe_StaticFieldBaseFromClass(JNIEnv *env, jobject unsafe, jobject clazz))
-  UnsafeWrapper("Unsafe_StaticFieldBase");
-  if (clazz == NULL) {
-    THROW_0(vmSymbols::java_lang_NullPointerException());
-  }
-  return JNIHandles::make_local(env, JNIHandles::resolve_non_null(clazz));
-UNSAFE_END
-
 UNSAFE_ENTRY(void, Unsafe_EnsureClassInitialized(JNIEnv *env, jobject unsafe, jobject clazz)) {
   UnsafeWrapper("Unsafe_EnsureClassInitialized");
   if (clazz == NULL) {
@@ -915,31 +871,7 @@
   }
 UNSAFE_END
 
-static jobject get_class_loader(JNIEnv* env, jclass cls) {
-  if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(cls))) {
-    return NULL;
-  }
-  Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls));
-  oop loader = k->class_loader();
-  return JNIHandles::make_local(env, loader);
-}
 
-UNSAFE_ENTRY(jclass, Unsafe_DefineClass0(JNIEnv *env, jobject unsafe, jstring name, jbyteArray data, int offset, int length))
-  UnsafeWrapper("Unsafe_DefineClass");
-  {
-    ThreadToNativeFromVM ttnfv(thread);
-
-    int depthFromDefineClass0 = 1;
-    jclass  caller = JVM_GetCallerClass(env, depthFromDefineClass0);
-    jobject loader = (caller == NULL) ? NULL : get_class_loader(env, caller);
-    jobject pd     = (caller == NULL) ? NULL : JVM_GetProtectionDomain(env, caller);
-
-    return Unsafe_DefineClass_impl(env, name, data, offset, length, loader, pd);
-  }
-UNSAFE_END
-
-
-#define DAC_Args CLS"[B["OBJ
 // define a class but do not make it known to the class loader or system dictionary
 // - host_class:  supplies context for linkage, access control, protection domain, and class loader
 // - data:  bytes of a class file, a raw memory address (length gives the number of bytes)
@@ -1233,20 +1165,6 @@
   return ret;
 UNSAFE_END
 
-UNSAFE_ENTRY(void, Unsafe_PrefetchRead(JNIEnv* env, jclass ignored, jobject obj, jlong offset))
-  UnsafeWrapper("Unsafe_PrefetchRead");
-  oop p = JNIHandles::resolve(obj);
-  void* addr = index_oop_from_field_offset_long(p, 0);
-  Prefetch::read(addr, (intx)offset);
-UNSAFE_END
-
-UNSAFE_ENTRY(void, Unsafe_PrefetchWrite(JNIEnv* env, jclass ignored, jobject obj, jlong offset))
-  UnsafeWrapper("Unsafe_PrefetchWrite");
-  oop p = JNIHandles::resolve(obj);
-  void* addr = index_oop_from_field_offset_long(p, 0);
-  Prefetch::write(addr, (intx)offset);
-UNSAFE_END
-
 
 /// JVM_RegisterUnsafeMethods
 
@@ -1256,256 +1174,50 @@
 
 #define OBJ LANG"Object;"
 #define CLS LANG"Class;"
-#define CTR LANG"reflect/Constructor;"
 #define FLD LANG"reflect/Field;"
-#define MTH LANG"reflect/Method;"
 #define THR LANG"Throwable;"
 
-#define DC0_Args LANG"String;[BII"
-#define DC_Args  DC0_Args LANG"ClassLoader;" "Ljava/security/ProtectionDomain;"
+#define DC_Args  LANG"String;[BII" LANG"ClassLoader;" "Ljava/security/ProtectionDomain;"
+#define DAC_Args CLS"[B["OBJ
 
 #define CC (char*)  /*cast a literal from (const char*)*/
 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &f)
 
-// define deprecated accessors for compabitility with 1.4.0
-#define DECLARE_GETSETOOP_140(Boolean, Z) \
-    {CC"get"#Boolean,      CC"("OBJ"I)"#Z,      FN_PTR(Unsafe_Get##Boolean##140)}, \
-    {CC"put"#Boolean,      CC"("OBJ"I"#Z")V",   FN_PTR(Unsafe_Set##Boolean##140)}
-
-// Note:  In 1.4.1, getObject and kin take both int and long offsets.
-#define DECLARE_GETSETOOP_141(Boolean, Z) \
-    {CC"get"#Boolean,      CC"("OBJ"J)"#Z,      FN_PTR(Unsafe_Get##Boolean)}, \
-    {CC"put"#Boolean,      CC"("OBJ"J"#Z")V",   FN_PTR(Unsafe_Set##Boolean)}
-
-// Note:  In 1.5.0, there are volatile versions too
-#define DECLARE_GETSETOOP(Boolean, Z) \
+#define DECLARE_GETPUTOOP(Boolean, Z) \
     {CC"get"#Boolean,      CC"("OBJ"J)"#Z,      FN_PTR(Unsafe_Get##Boolean)}, \
     {CC"put"#Boolean,      CC"("OBJ"J"#Z")V",   FN_PTR(Unsafe_Set##Boolean)}, \
     {CC"get"#Boolean"Volatile",      CC"("OBJ"J)"#Z,      FN_PTR(Unsafe_Get##Boolean##Volatile)}, \
     {CC"put"#Boolean"Volatile",      CC"("OBJ"J"#Z")V",   FN_PTR(Unsafe_Set##Boolean##Volatile)}
 
 
-#define DECLARE_GETSETNATIVE(Byte, B) \
+#define DECLARE_GETPUTNATIVE(Byte, B) \
     {CC"get"#Byte,         CC"("ADR")"#B,       FN_PTR(Unsafe_GetNative##Byte)}, \
     {CC"put"#Byte,         CC"("ADR#B")V",      FN_PTR(Unsafe_SetNative##Byte)}
 
 
 
-// These are the methods for 1.4.0
-static JNINativeMethod methods_140[] = {
-    DECLARE_GETSETOOP_140(Boolean, Z),
-    DECLARE_GETSETOOP_140(Byte, B),
-    DECLARE_GETSETOOP_140(Short, S),
-    DECLARE_GETSETOOP_140(Char, C),
-    DECLARE_GETSETOOP_140(Int, I),
-    DECLARE_GETSETOOP_140(Long, J),
-    DECLARE_GETSETOOP_140(Float, F),
-    DECLARE_GETSETOOP_140(Double, D),
-
-    DECLARE_GETSETNATIVE(Byte, B),
-    DECLARE_GETSETNATIVE(Short, S),
-    DECLARE_GETSETNATIVE(Char, C),
-    DECLARE_GETSETNATIVE(Int, I),
-    DECLARE_GETSETNATIVE(Long, J),
-    DECLARE_GETSETNATIVE(Float, F),
-    DECLARE_GETSETNATIVE(Double, D),
-
-    {CC"getAddress",         CC"("ADR")"ADR,             FN_PTR(Unsafe_GetNativeAddress)},
-    {CC"putAddress",         CC"("ADR""ADR")V",          FN_PTR(Unsafe_SetNativeAddress)},
-
-    {CC"allocateMemory",     CC"(J)"ADR,                 FN_PTR(Unsafe_AllocateMemory)},
-    {CC"reallocateMemory",   CC"("ADR"J)"ADR,            FN_PTR(Unsafe_ReallocateMemory)},
-    {CC"freeMemory",         CC"("ADR")V",               FN_PTR(Unsafe_FreeMemory)},
-
-    {CC"fieldOffset",        CC"("FLD")I",               FN_PTR(Unsafe_FieldOffset)},
-    {CC"staticFieldBase",    CC"("CLS")"OBJ,             FN_PTR(Unsafe_StaticFieldBaseFromClass)},
-    {CC"ensureClassInitialized",CC"("CLS")V",            FN_PTR(Unsafe_EnsureClassInitialized)},
-    {CC"arrayBaseOffset",    CC"("CLS")I",               FN_PTR(Unsafe_ArrayBaseOffset)},
-    {CC"arrayIndexScale",    CC"("CLS")I",               FN_PTR(Unsafe_ArrayIndexScale)},
-    {CC"addressSize",        CC"()I",                    FN_PTR(Unsafe_AddressSize)},
-    {CC"pageSize",           CC"()I",                    FN_PTR(Unsafe_PageSize)},
-
-    {CC"defineClass",        CC"("DC0_Args")"CLS,        FN_PTR(Unsafe_DefineClass0)},
-    {CC"defineClass",        CC"("DC_Args")"CLS,         FN_PTR(Unsafe_DefineClass)},
-    {CC"allocateInstance",   CC"("CLS")"OBJ,             FN_PTR(Unsafe_AllocateInstance)},
-    {CC"throwException",     CC"("THR")V",               FN_PTR(Unsafe_ThrowException)}
-};
-
-// These are the methods prior to the JSR 166 changes in 1.5.0
-static JNINativeMethod methods_141[] = {
-    {CC"getObject",        CC"("OBJ"J)"OBJ"",   FN_PTR(Unsafe_GetObject)},
-    {CC"putObject",        CC"("OBJ"J"OBJ")V",  FN_PTR(Unsafe_SetObject)},
-
-    DECLARE_GETSETOOP_141(Boolean, Z),
-    DECLARE_GETSETOOP_141(Byte, B),
-    DECLARE_GETSETOOP_141(Short, S),
-    DECLARE_GETSETOOP_141(Char, C),
-    DECLARE_GETSETOOP_141(Int, I),
-    DECLARE_GETSETOOP_141(Long, J),
-    DECLARE_GETSETOOP_141(Float, F),
-    DECLARE_GETSETOOP_141(Double, D),
-
-    DECLARE_GETSETNATIVE(Byte, B),
-    DECLARE_GETSETNATIVE(Short, S),
-    DECLARE_GETSETNATIVE(Char, C),
-    DECLARE_GETSETNATIVE(Int, I),
-    DECLARE_GETSETNATIVE(Long, J),
-    DECLARE_GETSETNATIVE(Float, F),
-    DECLARE_GETSETNATIVE(Double, D),
-
-    {CC"getAddress",         CC"("ADR")"ADR,             FN_PTR(Unsafe_GetNativeAddress)},
-    {CC"putAddress",         CC"("ADR""ADR")V",          FN_PTR(Unsafe_SetNativeAddress)},
-
-    {CC"allocateMemory",     CC"(J)"ADR,                 FN_PTR(Unsafe_AllocateMemory)},
-    {CC"reallocateMemory",   CC"("ADR"J)"ADR,            FN_PTR(Unsafe_ReallocateMemory)},
-    {CC"freeMemory",         CC"("ADR")V",               FN_PTR(Unsafe_FreeMemory)},
-
-    {CC"objectFieldOffset",  CC"("FLD")J",               FN_PTR(Unsafe_ObjectFieldOffset)},
-    {CC"staticFieldOffset",  CC"("FLD")J",               FN_PTR(Unsafe_StaticFieldOffset)},
-    {CC"staticFieldBase",    CC"("FLD")"OBJ,             FN_PTR(Unsafe_StaticFieldBaseFromField)},
-    {CC"ensureClassInitialized",CC"("CLS")V",            FN_PTR(Unsafe_EnsureClassInitialized)},
-    {CC"arrayBaseOffset",    CC"("CLS")I",               FN_PTR(Unsafe_ArrayBaseOffset)},
-    {CC"arrayIndexScale",    CC"("CLS")I",               FN_PTR(Unsafe_ArrayIndexScale)},
-    {CC"addressSize",        CC"()I",                    FN_PTR(Unsafe_AddressSize)},
-    {CC"pageSize",           CC"()I",                    FN_PTR(Unsafe_PageSize)},
-
-    {CC"defineClass",        CC"("DC0_Args")"CLS,        FN_PTR(Unsafe_DefineClass0)},
-    {CC"defineClass",        CC"("DC_Args")"CLS,         FN_PTR(Unsafe_DefineClass)},
-    {CC"allocateInstance",   CC"("CLS")"OBJ,             FN_PTR(Unsafe_AllocateInstance)},
-    {CC"throwException",     CC"("THR")V",               FN_PTR(Unsafe_ThrowException)}
-
-};
-
-// These are the methods prior to the JSR 166 changes in 1.6.0
-static JNINativeMethod methods_15[] = {
+static JNINativeMethod methods[] = {
     {CC"getObject",        CC"("OBJ"J)"OBJ"",   FN_PTR(Unsafe_GetObject)},
     {CC"putObject",        CC"("OBJ"J"OBJ")V",  FN_PTR(Unsafe_SetObject)},
     {CC"getObjectVolatile",CC"("OBJ"J)"OBJ"",   FN_PTR(Unsafe_GetObjectVolatile)},
     {CC"putObjectVolatile",CC"("OBJ"J"OBJ")V",  FN_PTR(Unsafe_SetObjectVolatile)},
 
+    DECLARE_GETPUTOOP(Boolean, Z),
+    DECLARE_GETPUTOOP(Byte, B),
+    DECLARE_GETPUTOOP(Short, S),
+    DECLARE_GETPUTOOP(Char, C),
+    DECLARE_GETPUTOOP(Int, I),
+    DECLARE_GETPUTOOP(Long, J),
+    DECLARE_GETPUTOOP(Float, F),
+    DECLARE_GETPUTOOP(Double, D),
 
-    DECLARE_GETSETOOP(Boolean, Z),
-    DECLARE_GETSETOOP(Byte, B),
-    DECLARE_GETSETOOP(Short, S),
-    DECLARE_GETSETOOP(Char, C),
-    DECLARE_GETSETOOP(Int, I),
-    DECLARE_GETSETOOP(Long, J),
-    DECLARE_GETSETOOP(Float, F),
-    DECLARE_GETSETOOP(Double, D),
-
-    DECLARE_GETSETNATIVE(Byte, B),
-    DECLARE_GETSETNATIVE(Short, S),
-    DECLARE_GETSETNATIVE(Char, C),
-    DECLARE_GETSETNATIVE(Int, I),
-    DECLARE_GETSETNATIVE(Long, J),
-    DECLARE_GETSETNATIVE(Float, F),
-    DECLARE_GETSETNATIVE(Double, D),
-
-    {CC"getAddress",         CC"("ADR")"ADR,             FN_PTR(Unsafe_GetNativeAddress)},
-    {CC"putAddress",         CC"("ADR""ADR")V",          FN_PTR(Unsafe_SetNativeAddress)},
-
-    {CC"allocateMemory",     CC"(J)"ADR,                 FN_PTR(Unsafe_AllocateMemory)},
-    {CC"reallocateMemory",   CC"("ADR"J)"ADR,            FN_PTR(Unsafe_ReallocateMemory)},
-    {CC"freeMemory",         CC"("ADR")V",               FN_PTR(Unsafe_FreeMemory)},
-
-    {CC"objectFieldOffset",  CC"("FLD")J",               FN_PTR(Unsafe_ObjectFieldOffset)},
-    {CC"staticFieldOffset",  CC"("FLD")J",               FN_PTR(Unsafe_StaticFieldOffset)},
-    {CC"staticFieldBase",    CC"("FLD")"OBJ,             FN_PTR(Unsafe_StaticFieldBaseFromField)},
-    {CC"ensureClassInitialized",CC"("CLS")V",            FN_PTR(Unsafe_EnsureClassInitialized)},
-    {CC"arrayBaseOffset",    CC"("CLS")I",               FN_PTR(Unsafe_ArrayBaseOffset)},
-    {CC"arrayIndexScale",    CC"("CLS")I",               FN_PTR(Unsafe_ArrayIndexScale)},
-    {CC"addressSize",        CC"()I",                    FN_PTR(Unsafe_AddressSize)},
-    {CC"pageSize",           CC"()I",                    FN_PTR(Unsafe_PageSize)},
-
-    {CC"defineClass",        CC"("DC0_Args")"CLS,        FN_PTR(Unsafe_DefineClass0)},
-    {CC"defineClass",        CC"("DC_Args")"CLS,         FN_PTR(Unsafe_DefineClass)},
-    {CC"allocateInstance",   CC"("CLS")"OBJ,             FN_PTR(Unsafe_AllocateInstance)},
-    {CC"throwException",     CC"("THR")V",               FN_PTR(Unsafe_ThrowException)},
-    {CC"compareAndSwapObject", CC"("OBJ"J"OBJ""OBJ")Z",  FN_PTR(Unsafe_CompareAndSwapObject)},
-    {CC"compareAndSwapInt",  CC"("OBJ"J""I""I"")Z",      FN_PTR(Unsafe_CompareAndSwapInt)},
-    {CC"compareAndSwapLong", CC"("OBJ"J""J""J"")Z",      FN_PTR(Unsafe_CompareAndSwapLong)},
-    {CC"park",               CC"(ZJ)V",                  FN_PTR(Unsafe_Park)},
-    {CC"unpark",             CC"("OBJ")V",               FN_PTR(Unsafe_Unpark)}
-
-};
-
-// These are the methods for 1.6.0 and 1.7.0
-static JNINativeMethod methods_16[] = {
-    {CC"getObject",        CC"("OBJ"J)"OBJ"",   FN_PTR(Unsafe_GetObject)},
-    {CC"putObject",        CC"("OBJ"J"OBJ")V",  FN_PTR(Unsafe_SetObject)},
-    {CC"getObjectVolatile",CC"("OBJ"J)"OBJ"",   FN_PTR(Unsafe_GetObjectVolatile)},
-    {CC"putObjectVolatile",CC"("OBJ"J"OBJ")V",  FN_PTR(Unsafe_SetObjectVolatile)},
-
-    DECLARE_GETSETOOP(Boolean, Z),
-    DECLARE_GETSETOOP(Byte, B),
-    DECLARE_GETSETOOP(Short, S),
-    DECLARE_GETSETOOP(Char, C),
-    DECLARE_GETSETOOP(Int, I),
-    DECLARE_GETSETOOP(Long, J),
-    DECLARE_GETSETOOP(Float, F),
-    DECLARE_GETSETOOP(Double, D),
-
-    DECLARE_GETSETNATIVE(Byte, B),
-    DECLARE_GETSETNATIVE(Short, S),
-    DECLARE_GETSETNATIVE(Char, C),
-    DECLARE_GETSETNATIVE(Int, I),
-    DECLARE_GETSETNATIVE(Long, J),
-    DECLARE_GETSETNATIVE(Float, F),
-    DECLARE_GETSETNATIVE(Double, D),
-
-    {CC"getAddress",         CC"("ADR")"ADR,             FN_PTR(Unsafe_GetNativeAddress)},
-    {CC"putAddress",         CC"("ADR""ADR")V",          FN_PTR(Unsafe_SetNativeAddress)},
-
-    {CC"allocateMemory",     CC"(J)"ADR,                 FN_PTR(Unsafe_AllocateMemory)},
-    {CC"reallocateMemory",   CC"("ADR"J)"ADR,            FN_PTR(Unsafe_ReallocateMemory)},
-    {CC"freeMemory",         CC"("ADR")V",               FN_PTR(Unsafe_FreeMemory)},
-
-    {CC"objectFieldOffset",  CC"("FLD")J",               FN_PTR(Unsafe_ObjectFieldOffset)},
-    {CC"staticFieldOffset",  CC"("FLD")J",               FN_PTR(Unsafe_StaticFieldOffset)},
-    {CC"staticFieldBase",    CC"("FLD")"OBJ,             FN_PTR(Unsafe_StaticFieldBaseFromField)},
-    {CC"ensureClassInitialized",CC"("CLS")V",            FN_PTR(Unsafe_EnsureClassInitialized)},
-    {CC"arrayBaseOffset",    CC"("CLS")I",               FN_PTR(Unsafe_ArrayBaseOffset)},
-    {CC"arrayIndexScale",    CC"("CLS")I",               FN_PTR(Unsafe_ArrayIndexScale)},
-    {CC"addressSize",        CC"()I",                    FN_PTR(Unsafe_AddressSize)},
-    {CC"pageSize",           CC"()I",                    FN_PTR(Unsafe_PageSize)},
-
-    {CC"defineClass",        CC"("DC0_Args")"CLS,        FN_PTR(Unsafe_DefineClass0)},
-    {CC"defineClass",        CC"("DC_Args")"CLS,         FN_PTR(Unsafe_DefineClass)},
-    {CC"allocateInstance",   CC"("CLS")"OBJ,             FN_PTR(Unsafe_AllocateInstance)},
-    {CC"throwException",     CC"("THR")V",               FN_PTR(Unsafe_ThrowException)},
-    {CC"compareAndSwapObject", CC"("OBJ"J"OBJ""OBJ")Z",  FN_PTR(Unsafe_CompareAndSwapObject)},
-    {CC"compareAndSwapInt",  CC"("OBJ"J""I""I"")Z",      FN_PTR(Unsafe_CompareAndSwapInt)},
-    {CC"compareAndSwapLong", CC"("OBJ"J""J""J"")Z",      FN_PTR(Unsafe_CompareAndSwapLong)},
-    {CC"putOrderedObject",   CC"("OBJ"J"OBJ")V",         FN_PTR(Unsafe_SetOrderedObject)},
-    {CC"putOrderedInt",      CC"("OBJ"JI)V",             FN_PTR(Unsafe_SetOrderedInt)},
-    {CC"putOrderedLong",     CC"("OBJ"JJ)V",             FN_PTR(Unsafe_SetOrderedLong)},
-    {CC"park",               CC"(ZJ)V",                  FN_PTR(Unsafe_Park)},
-    {CC"unpark",             CC"("OBJ")V",               FN_PTR(Unsafe_Unpark)}
-};
-
-// These are the methods for 1.8.0
-static JNINativeMethod methods_18[] = {
-    {CC"getObject",        CC"("OBJ"J)"OBJ"",   FN_PTR(Unsafe_GetObject)},
-    {CC"putObject",        CC"("OBJ"J"OBJ")V",  FN_PTR(Unsafe_SetObject)},
-    {CC"getObjectVolatile",CC"("OBJ"J)"OBJ"",   FN_PTR(Unsafe_GetObjectVolatile)},
-    {CC"putObjectVolatile",CC"("OBJ"J"OBJ")V",  FN_PTR(Unsafe_SetObjectVolatile)},
-
-    DECLARE_GETSETOOP(Boolean, Z),
-    DECLARE_GETSETOOP(Byte, B),
-    DECLARE_GETSETOOP(Short, S),
-    DECLARE_GETSETOOP(Char, C),
-    DECLARE_GETSETOOP(Int, I),
-    DECLARE_GETSETOOP(Long, J),
-    DECLARE_GETSETOOP(Float, F),
-    DECLARE_GETSETOOP(Double, D),
-
-    DECLARE_GETSETNATIVE(Byte, B),
-    DECLARE_GETSETNATIVE(Short, S),
-    DECLARE_GETSETNATIVE(Char, C),
-    DECLARE_GETSETNATIVE(Int, I),
-    DECLARE_GETSETNATIVE(Long, J),
-    DECLARE_GETSETNATIVE(Float, F),
-    DECLARE_GETSETNATIVE(Double, D),
+    DECLARE_GETPUTNATIVE(Byte, B),
+    DECLARE_GETPUTNATIVE(Short, S),
+    DECLARE_GETPUTNATIVE(Char, C),
+    DECLARE_GETPUTNATIVE(Int, I),
+    DECLARE_GETPUTNATIVE(Long, J),
+    DECLARE_GETPUTNATIVE(Float, F),
+    DECLARE_GETPUTNATIVE(Double, D),
 
     {CC"getAddress",         CC"("ADR")"ADR,             FN_PTR(Unsafe_GetNativeAddress)},
     {CC"putAddress",         CC"("ADR""ADR")V",          FN_PTR(Unsafe_SetNativeAddress)},
@@ -1533,39 +1245,17 @@
     {CC"putOrderedInt",      CC"("OBJ"JI)V",             FN_PTR(Unsafe_SetOrderedInt)},
     {CC"putOrderedLong",     CC"("OBJ"JJ)V",             FN_PTR(Unsafe_SetOrderedLong)},
     {CC"park",               CC"(ZJ)V",                  FN_PTR(Unsafe_Park)},
-    {CC"unpark",             CC"("OBJ")V",               FN_PTR(Unsafe_Unpark)}
-};
+    {CC"unpark",             CC"("OBJ")V",               FN_PTR(Unsafe_Unpark)},
 
-JNINativeMethod loadavg_method[] = {
-    {CC"getLoadAverage",     CC"([DI)I",                 FN_PTR(Unsafe_Loadavg)}
-};
+    {CC"getLoadAverage",     CC"([DI)I",                 FN_PTR(Unsafe_Loadavg)},
 
-JNINativeMethod prefetch_methods[] = {
-    {CC"prefetchRead",       CC"("OBJ"J)V",              FN_PTR(Unsafe_PrefetchRead)},
-    {CC"prefetchWrite",      CC"("OBJ"J)V",              FN_PTR(Unsafe_PrefetchWrite)},
-    {CC"prefetchReadStatic", CC"("OBJ"J)V",              FN_PTR(Unsafe_PrefetchRead)},
-    {CC"prefetchWriteStatic",CC"("OBJ"J)V",              FN_PTR(Unsafe_PrefetchWrite)}
-};
+    {CC"copyMemory",         CC"("OBJ"J"OBJ"JJ)V",       FN_PTR(Unsafe_CopyMemory)},
+    {CC"setMemory",          CC"("OBJ"JJB)V",            FN_PTR(Unsafe_SetMemory)},
 
-JNINativeMethod memcopy_methods_17[] = {
-    {CC"copyMemory",         CC"("OBJ"J"OBJ"JJ)V",       FN_PTR(Unsafe_CopyMemory2)},
-    {CC"setMemory",          CC"("OBJ"JJB)V",            FN_PTR(Unsafe_SetMemory2)}
-};
+    {CC"defineAnonymousClass", CC"("DAC_Args")"CLS,      FN_PTR(Unsafe_DefineAnonymousClass)},
 
-JNINativeMethod memcopy_methods_15[] = {
-    {CC"setMemory",          CC"("ADR"JB)V",             FN_PTR(Unsafe_SetMemory)},
-    {CC"copyMemory",         CC"("ADR ADR"J)V",          FN_PTR(Unsafe_CopyMemory)}
-};
+    {CC"shouldBeInitialized",CC"("CLS")Z",               FN_PTR(Unsafe_ShouldBeInitialized)},
 
-JNINativeMethod anonk_methods[] = {
-    {CC"defineAnonymousClass", CC"("DAC_Args")"CLS,      FN_PTR(Unsafe_DefineAnonymousClass)},
-};
-
-JNINativeMethod lform_methods[] = {
-    {CC"shouldBeInitialized",CC"("CLS")Z",               FN_PTR(Unsafe_ShouldBeInitialized)},
-};
-
-JNINativeMethod fence_methods[] = {
     {CC"loadFence",          CC"()V",                    FN_PTR(Unsafe_LoadFence)},
     {CC"storeFence",         CC"()V",                    FN_PTR(Unsafe_StoreFence)},
     {CC"fullFence",          CC"()V",                    FN_PTR(Unsafe_FullFence)},
@@ -1578,35 +1268,13 @@
 #undef LANG
 #undef OBJ
 #undef CLS
-#undef CTR
 #undef FLD
-#undef MTH
 #undef THR
-#undef DC0_Args
 #undef DC_Args
+#undef DAC_Args
 
-#undef DECLARE_GETSETOOP
-#undef DECLARE_GETSETNATIVE
-
-
-/**
- * Helper method to register native methods.
- */
-static bool register_natives(const char* message, JNIEnv* env, jclass clazz, const JNINativeMethod* methods, jint nMethods) {
-  int status = env->RegisterNatives(clazz, methods, nMethods);
-  if (status < 0 || env->ExceptionOccurred()) {
-    if (PrintMiscellaneous && (Verbose || WizardMode)) {
-      tty->print_cr("Unsafe:  failed registering %s", message);
-    }
-    env->ExceptionClear();
-    return false;
-  } else {
-    if (PrintMiscellaneous && (Verbose || WizardMode)) {
-      tty->print_cr("Unsafe:  successfully registered %s", message);
-    }
-    return true;
-  }
-}
+#undef DECLARE_GETPUTOOP
+#undef DECLARE_GETPUTNATIVE
 
 
 // This one function is exported, used by NativeLookup.
@@ -1614,57 +1282,12 @@
 // The optimizer looks at names and signatures to recognize
 // individual functions.
 
-JVM_ENTRY(void, JVM_RegisterUnsafeMethods(JNIEnv *env, jclass unsafecls))
+JVM_ENTRY(void, JVM_RegisterUnsafeMethods(JNIEnv *env, jclass unsafeclass))
   UnsafeWrapper("JVM_RegisterUnsafeMethods");
   {
     ThreadToNativeFromVM ttnfv(thread);
 
-    // Unsafe methods
-    {
-      bool success = false;
-      // We need to register the 1.6 methods first because the 1.8 methods would register fine on 1.7 and 1.6
-      if (!success) {
-        success = register_natives("1.6 methods",   env, unsafecls, methods_16,  sizeof(methods_16)/sizeof(JNINativeMethod));
-      }
-      if (!success) {
-        success = register_natives("1.8 methods",   env, unsafecls, methods_18,  sizeof(methods_18)/sizeof(JNINativeMethod));
-      }
-      if (!success) {
-        success = register_natives("1.5 methods",   env, unsafecls, methods_15,  sizeof(methods_15)/sizeof(JNINativeMethod));
-      }
-      if (!success) {
-        success = register_natives("1.4.1 methods", env, unsafecls, methods_141, sizeof(methods_141)/sizeof(JNINativeMethod));
-      }
-      if (!success) {
-        success = register_natives("1.4.0 methods", env, unsafecls, methods_140, sizeof(methods_140)/sizeof(JNINativeMethod));
-      }
-      guarantee(success, "register unsafe natives");
-    }
-
-    // Unsafe.getLoadAverage
-    register_natives("1.6 loadavg method", env, unsafecls, loadavg_method, sizeof(loadavg_method)/sizeof(JNINativeMethod));
-
-    // Prefetch methods
-    register_natives("1.6 prefetch methods", env, unsafecls, prefetch_methods, sizeof(prefetch_methods)/sizeof(JNINativeMethod));
-
-    // Memory copy methods
-    {
-      bool success = false;
-      if (!success) {
-        success = register_natives("1.7 memory copy methods", env, unsafecls, memcopy_methods_17, sizeof(memcopy_methods_17)/sizeof(JNINativeMethod));
-      }
-      if (!success) {
-        success = register_natives("1.5 memory copy methods", env, unsafecls, memcopy_methods_15, sizeof(memcopy_methods_15)/sizeof(JNINativeMethod));
-      }
-    }
-
-    // Unsafe.defineAnonymousClass
-    register_natives("1.7 define anonymous class method", env, unsafecls, anonk_methods, sizeof(anonk_methods)/sizeof(JNINativeMethod));
-
-    // Unsafe.shouldBeInitialized
-    register_natives("1.7 LambdaForm support", env, unsafecls, lform_methods, sizeof(lform_methods)/sizeof(JNINativeMethod));
-
-    // Fence methods
-    register_natives("1.8 fence methods", env, unsafecls, fence_methods, sizeof(fence_methods)/sizeof(JNINativeMethod));
+    int ok = env->RegisterNatives(unsafeclass, methods, sizeof(methods)/sizeof(JNINativeMethod));
+    guarantee(ok == 0, "register unsafe natives");
   }
 JVM_END
--- a/src/share/vm/runtime/arguments.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/runtime/arguments.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1114,34 +1114,39 @@
 }
 #endif
 
+// Returns threshold scaled with the value of scale.
+// If scale < 0.0, threshold is returned without scaling.
 intx Arguments::scaled_compile_threshold(intx threshold, double scale) {
-  if (scale == 1.0 || scale <= 0.0) {
+  if (scale == 1.0 || scale < 0.0) {
     return threshold;
   } else {
     return (intx)(threshold * scale);
   }
 }
 
-// Returns freq_log scaled with CompileThresholdScaling
+// Returns freq_log scaled with the value of scale.
+// Returned values are in the range of [0, InvocationCounter::number_of_count_bits + 1].
+// If scale < 0.0, freq_log is returned without scaling.
 intx Arguments::scaled_freq_log(intx freq_log, double scale) {
-  // Check if scaling is necessary or negative value was specified.
+  // Check if scaling is necessary or if negative value was specified.
   if (scale == 1.0 || scale < 0.0) {
     return freq_log;
   }
-
-  // Check value to avoid calculating log2 of 0.
-  if (scale == 0.0) {
-    return freq_log;
+  // Check values to avoid calculating log2 of 0.
+  if (scale == 0.0 || freq_log == 0) {
+    return 0;
   }
-
-  intx scaled_freq = scaled_compile_threshold((intx)1 << freq_log, scale);
   // Determine the maximum notification frequency value currently supported.
   // The largest mask value that the interpreter/C1 can handle is
   // of length InvocationCounter::number_of_count_bits. Mask values are always
   // one bit shorter then the value of the notification frequency. Set
   // max_freq_bits accordingly.
   intx max_freq_bits = InvocationCounter::number_of_count_bits + 1;
-  if (scaled_freq > nth_bit(max_freq_bits)) {
+  intx scaled_freq = scaled_compile_threshold((intx)1 << freq_log, scale);
+  if (scaled_freq == 0) {
+    // Return 0 right away to avoid calculating log2 of 0.
+    return 0;
+  } else if (scaled_freq > nth_bit(max_freq_bits)) {
     return max_freq_bits;
   } else {
     return log2_intptr(scaled_freq);
@@ -1192,8 +1197,9 @@
     vm_exit_during_initialization("Negative value specified for CompileThresholdScaling", NULL);
   }
 
-  // Scale tiered compilation thresholds
-  if (!FLAG_IS_DEFAULT(CompileThresholdScaling)) {
+  // Scale tiered compilation thresholds.
+  // CompileThresholdScaling == 0.0 is equivalent to -Xint and leaves compilation thresholds unchanged.
+  if (!FLAG_IS_DEFAULT(CompileThresholdScaling) && CompileThresholdScaling > 0.0) {
     FLAG_SET_ERGO(intx, Tier0InvokeNotifyFreqLog, scaled_freq_log(Tier0InvokeNotifyFreqLog));
     FLAG_SET_ERGO(intx, Tier0BackedgeNotifyFreqLog, scaled_freq_log(Tier0BackedgeNotifyFreqLog));
 
@@ -3912,7 +3918,8 @@
         "Incompatible compilation policy selected", NULL);
     }
     // Scale CompileThreshold
-    if (!FLAG_IS_DEFAULT(CompileThresholdScaling)) {
+    // CompileThresholdScaling == 0.0 is equivalent to -Xint and leaves CompileThreshold unchanged.
+    if (!FLAG_IS_DEFAULT(CompileThresholdScaling) && CompileThresholdScaling > 0.0) {
       FLAG_SET_ERGO(intx, CompileThreshold, scaled_compile_threshold(CompileThreshold));
     }
   }
--- a/src/share/vm/runtime/dtraceJSDT.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,132 +0,0 @@
-/*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "classfile/javaClasses.hpp"
-#include "code/codeBlob.hpp"
-#include "code/nativeInst.hpp"
-#include "memory/allocation.hpp"
-#include "prims/jvm.h"
-#include "runtime/dtraceJSDT.hpp"
-#include "runtime/jniHandles.hpp"
-#include "runtime/os.hpp"
-#include "utilities/exceptions.hpp"
-#include "utilities/globalDefinitions.hpp"
-#include "utilities/utf8.hpp"
-
-#ifdef HAVE_DTRACE_H
-
-jlong DTraceJSDT::activate(
-    jint version, jstring module_name, jint providers_count,
-    JVM_DTraceProvider* providers, TRAPS) {
-
-  size_t count = 0;
-  RegisteredProbes* probes = NULL;
-
-  if (!is_supported()) {
-    return 0;
-  }
-
-  assert(module_name != NULL, "valid module name");
-  assert(providers != NULL, "valid provider array");
-
-  for (int i = 0; i < providers_count; ++i) {
-    count += providers[i].probe_count;
-  }
-  probes = new RegisteredProbes(count);
-  count = 0;
-
-  for (int i = 0; i < providers_count; ++i) {
-    assert(providers[i].name != NULL, "valid provider name");
-    assert(providers[i].probe_count == 0 || providers[i].probes != NULL,
-           "valid probe count");
-    for (int j = 0; j < providers[i].probe_count; ++j) {
-      JVM_DTraceProbe* probe = &(providers[i].probes[j]);
-      assert(probe != NULL, "valid probe");
-      assert(probe->method != NULL, "valid method");
-      assert(probe->name != NULL, "valid probe name");
-      assert(probe->function != NULL, "valid probe function spec");
-      methodHandle h_method =
-        methodHandle(THREAD, Method::resolve_jmethod_id(probe->method));
-      nmethod* nm = AdapterHandlerLibrary::create_dtrace_nmethod(h_method);
-      if (nm == NULL) {
-        delete probes;
-        THROW_MSG_0(vmSymbols::java_lang_RuntimeException(),
-          "Unable to register DTrace probes (CodeCache: no room for DTrace nmethods).");
-      }
-      h_method()->set_not_compilable();
-      h_method()->set_code(h_method, nm);
-      probes->nmethod_at_put(count++, nm);
-    }
-  }
-
-  int handle = pd_activate((void*)probes,
-    module_name, providers_count, providers);
-  if (handle < 0) {
-    delete probes;
-    THROW_MSG_0(vmSymbols::java_lang_RuntimeException(),
-      "Unable to register DTrace probes (internal error).");
-  }
-  probes->set_helper_handle(handle);
-  return RegisteredProbes::toOpaqueProbes(probes);
-}
-
-jboolean DTraceJSDT::is_probe_enabled(jmethodID method) {
-  Method* m = Method::resolve_jmethod_id(method);
-  return nativeInstruction_at(m->code()->trap_address())->is_dtrace_trap();
-}
-
-void DTraceJSDT::dispose(OpaqueProbes probes) {
-  RegisteredProbes* p = RegisteredProbes::toRegisteredProbes(probes);
-  if (probes != -1 && p != NULL) {
-    pd_dispose(p->helper_handle());
-    delete p;
-  }
-}
-
-jboolean DTraceJSDT::is_supported() {
-  return pd_is_supported();
-}
-
-#else // HAVE_DTRACE_H
-
-jlong DTraceJSDT::activate(
-    jint version, jstring module_name, jint providers_count,
-    JVM_DTraceProvider* providers, TRAPS) {
-  return 0;
-}
-
-jboolean DTraceJSDT::is_probe_enabled(jmethodID method) {
-  return false;
-}
-
-void DTraceJSDT::dispose(OpaqueProbes probes) {
-  return;
-}
-
-jboolean DTraceJSDT::is_supported() {
-  return false;
-}
-
-#endif // ndef HAVE_DTRACE_H
--- a/src/share/vm/runtime/dtraceJSDT.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,96 +0,0 @@
-/*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#ifndef SHARE_VM_RUNTIME_DTRACEJSDT_HPP
-#define SHARE_VM_RUNTIME_DTRACEJSDT_HPP
-
-#include "code/nmethod.hpp"
-
-class RegisteredProbes;
-typedef jlong OpaqueProbes;
-
-class DTraceJSDT : AllStatic {
- private:
-
-  static int pd_activate(void* moduleBaseAddress, jstring module,
-      jint providers_count, JVM_DTraceProvider* providers);
-  static void pd_dispose(int handle);
-  static jboolean pd_is_supported();
-
- public:
-
-  static OpaqueProbes activate(
-      jint version, jstring module_name, jint providers_count,
-      JVM_DTraceProvider* providers, TRAPS);
-  static jboolean is_probe_enabled(jmethodID method);
-  static void dispose(OpaqueProbes handle);
-  static jboolean is_supported();
-};
-
-class RegisteredProbes : public CHeapObj<mtInternal> {
- private:
-  nmethod** _nmethods;      // all the probe methods
-  size_t    _count;         // number of probe methods
-  int       _helper_handle; // DTrace-assigned identifier
-
- public:
-  RegisteredProbes(size_t count) {
-    _count = count;
-    _nmethods = NEW_C_HEAP_ARRAY(nmethod*, count, mtInternal);
-  }
-
-  ~RegisteredProbes() {
-    for (size_t i = 0; i < _count; ++i) {
-      // Let the sweeper reclaim it
-      _nmethods[i]->make_not_entrant();
-      _nmethods[i]->method()->clear_code();
-    }
-    FREE_C_HEAP_ARRAY(nmethod*, _nmethods);
-    _nmethods = NULL;
-    _count = 0;
-  }
-
-  static RegisteredProbes* toRegisteredProbes(OpaqueProbes p) {
-    return (RegisteredProbes*)(intptr_t)p;
-  }
-
-  static OpaqueProbes toOpaqueProbes(RegisteredProbes* p) {
-    return (OpaqueProbes)(intptr_t)p;
-  }
-
-  void set_helper_handle(int handle) { _helper_handle = handle; }
-  int helper_handle() const { return _helper_handle; }
-
-  nmethod* nmethod_at(size_t i) {
-    assert(i >= 0 && i < _count, "bad nmethod index");
-    return _nmethods[i];
-  }
-
-  void nmethod_at_put(size_t i, nmethod* nm) {
-    assert(i >= 0 && i < _count, "bad nmethod index");
-    _nmethods[i] = nm;
-  }
-};
-
-#endif // SHARE_VM_RUNTIME_DTRACEJSDT_HPP
--- a/src/share/vm/runtime/globals.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/runtime/globals.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -905,6 +905,10 @@
           "determines which error to provoke. See test_error_handler() "    \
           "in debug.cpp.")                                                  \
                                                                             \
+  notproduct(uintx, TestCrashInErrorHandler, 0,                             \
+          "If > 0, provokes an error inside VM error handler (a secondary " \
+          "crash). see test_error_handler() in debug.cpp.")                 \
+                                                                            \
   develop(bool, Verbose, false,                                             \
           "Print additional debugging information from other modes")        \
                                                                             \
@@ -1501,7 +1505,7 @@
                                                                             \
   product(bool, ExplicitGCInvokesConcurrent, false,                         \
           "A System.gc() request invokes a concurrent collection; "         \
-          "(effective only when UseConcMarkSweepGC)")                       \
+          "(effective only when using concurrent collectors)")              \
                                                                             \
   product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false,        \
           "A System.gc() request invokes a concurrent collection and "      \
@@ -3531,7 +3535,7 @@
           "(both with and without tiered compilation): "                    \
           "values greater than 1.0 delay counter overflow, "                \
           "values between 0 and 1.0 rush counter overflow, "                \
-          "value of 1.0 leave compilation thresholds unchanged "            \
+          "value of 1.0 leaves compilation thresholds unchanged "           \
           "value of 0.0 is equivalent to -Xint. "                           \
           ""                                                                \
           "Flag can be set as per-method option. "                          \
@@ -3843,9 +3847,6 @@
   product(bool, RelaxAccessControlCheck, false,                             \
           "Relax the access control checks in the verifier")                \
                                                                             \
-  diagnostic(bool, PrintDTraceDOF, false,                                   \
-          "Print the DTrace DOF passed to the system for JSDT probes")      \
-                                                                            \
   product(uintx, StringTableSize, defaultStringTableSize,                   \
           "Number of buckets in the interned String table")                 \
                                                                             \
--- a/src/share/vm/runtime/sharedRuntime.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/runtime/sharedRuntime.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -2610,68 +2610,6 @@
   GC_locker::unlock_critical(thread);
 JRT_END
 
-#ifdef HAVE_DTRACE_H
-/**
- * Create a dtrace nmethod for this method.  The wrapper converts the
- * Java-compiled calling convention to the native convention, makes a dummy call
- * (actually nops for the size of the call instruction, which become a trap if
- * probe is enabled), and finally returns to the caller. Since this all looks like a
- * leaf, no thread transition is needed.
- */
-nmethod *AdapterHandlerLibrary::create_dtrace_nmethod(methodHandle method) {
-  ResourceMark rm;
-  nmethod* nm = NULL;
-
-  if (PrintCompilation) {
-    ttyLocker ttyl;
-    tty->print("---   n  ");
-    method->print_short_name(tty);
-    if (method->is_static()) {
-      tty->print(" (static)");
-    }
-    tty->cr();
-  }
-
-  {
-    // perform the work while holding the lock, but perform any printing
-    // outside the lock
-    MutexLocker mu(AdapterHandlerLibrary_lock);
-    // See if somebody beat us to it
-    nm = method->code();
-    if (nm) {
-      return nm;
-    }
-
-    ResourceMark rm;
-
-    BufferBlob*  buf = buffer_blob(); // the temporary code buffer in CodeCache
-    if (buf != NULL) {
-      CodeBuffer buffer(buf);
-      // Need a few relocation entries
-      double locs_buf[20];
-      buffer.insts()->initialize_shared_locs(
-        (relocInfo*)locs_buf, sizeof(locs_buf) / sizeof(relocInfo));
-      MacroAssembler _masm(&buffer);
-
-      // Generate the compiled-to-native wrapper code
-      nm = SharedRuntime::generate_dtrace_nmethod(&_masm, method);
-    }
-  }
-  return nm;
-}
-
-// the dtrace method needs to convert java lang string to utf8 string.
-void SharedRuntime::get_utf(oopDesc* src, address dst) {
-  typeArrayOop jlsValue  = java_lang_String::value(src);
-  int          jlsOffset = java_lang_String::offset(src);
-  int          jlsLen    = java_lang_String::length(src);
-  jchar*       jlsPos    = (jlsLen == 0) ? NULL :
-                                           jlsValue->char_at_addr(jlsOffset);
-  assert(TypeArrayKlass::cast(jlsValue->klass())->element_type() == T_CHAR, "compressed string");
-  (void) UNICODE::as_utf8(jlsPos, jlsLen, (char *)dst, max_dtrace_string_size);
-}
-#endif // ndef HAVE_DTRACE_H
-
 int SharedRuntime::convert_ints_to_longints_argcnt(int in_args_count, BasicType* in_sig_bt) {
   int argcnt = in_args_count;
   if (CCallingConventionRequiresIntsAsLongs) {
--- a/src/share/vm/runtime/sharedRuntime.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/runtime/sharedRuntime.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -466,19 +466,6 @@
   // Block before entering a JNI critical method
   static void block_for_jni_critical(JavaThread* thread);
 
-#ifdef HAVE_DTRACE_H
-  // Generate a dtrace wrapper for a given method.  The method takes arguments
-  // in the Java compiled code convention, marshals them to the native
-  // convention (handlizes oops, etc), transitions to native, makes the call,
-  // returns to java state (possibly blocking), unhandlizes any result and
-  // returns.
-  static nmethod *generate_dtrace_nmethod(MacroAssembler* masm,
-                                          methodHandle method);
-
-  // dtrace support to convert a Java string to utf8
-  static void get_utf(oopDesc* src, address dst);
-#endif // def HAVE_DTRACE_H
-
   // A compiled caller has just called the interpreter, but compiled code
   // exists.  Patch the caller so he no longer calls into the interpreter.
   static void fixup_callers_callsite(Method* moop, address ret_pc);
@@ -680,10 +667,6 @@
   static void create_native_wrapper(methodHandle method);
   static AdapterHandlerEntry* get_adapter(methodHandle method);
 
-#ifdef HAVE_DTRACE_H
-  static nmethod* create_dtrace_nmethod (methodHandle method);
-#endif // HAVE_DTRACE_H
-
   static void print_handler(CodeBlob* b) { print_handler_on(tty, b); }
   static void print_handler_on(outputStream* st, CodeBlob* b);
   static bool contains(CodeBlob* b);
--- a/src/share/vm/runtime/virtualspace.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/runtime/virtualspace.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -503,11 +503,12 @@
     // But leave room for the compressed class pointers, which is allocated above
     // the heap.
     char *zerobased_max = (char *)OopEncodingHeapMax;
+    const size_t class_space = align_size_up(CompressedClassSpaceSize, alignment);
     // For small heaps, save some space for compressed class pointer
     // space so it can be decoded with no base.
     if (UseCompressedClassPointers && !UseSharedSpaces &&
-        OopEncodingHeapMax <= KlassEncodingMetaspaceMax) {
-      const size_t class_space = align_size_up(CompressedClassSpaceSize, alignment);
+        OopEncodingHeapMax <= KlassEncodingMetaspaceMax &&
+        (uint64_t)(aligned_heap_base_min_address + size + class_space) <= KlassEncodingMetaspaceMax) {
       zerobased_max = (char *)OopEncodingHeapMax - class_space;
     }
 
--- a/src/share/vm/runtime/vmStructs.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/runtime/vmStructs.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1920,8 +1920,6 @@
   declare_c2_type(CompareAndSwapINode, LoadStoreNode)                     \
   declare_c2_type(CompareAndSwapPNode, LoadStoreNode)                     \
   declare_c2_type(CompareAndSwapNNode, LoadStoreNode)                     \
-  declare_c2_type(PrefetchReadNode, Node)                                 \
-  declare_c2_type(PrefetchWriteNode, Node)                                \
   declare_c2_type(MulNode, Node)                                          \
   declare_c2_type(MulINode, MulNode)                                      \
   declare_c2_type(MulLNode, MulNode)                                      \
--- a/src/share/vm/services/attachListener.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/services/attachListener.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,6 +35,7 @@
 #include "runtime/os.hpp"
 #include "services/attachListener.hpp"
 #include "services/diagnosticCommand.hpp"
+#include "services/writeableFlags.hpp"
 #include "services/heapDumper.hpp"
 
 volatile bool AttachListener::_initialized;
@@ -229,133 +230,6 @@
   return JNI_OK;
 }
 
-// set a boolean global flag using value from AttachOperation
-static jint set_bool_flag(const char* name, AttachOperation* op, outputStream* out) {
-  bool value = true;
-  const char* arg1;
-  if ((arg1 = op->arg(1)) != NULL) {
-    int tmp;
-    int n = sscanf(arg1, "%d", &tmp);
-    if (n != 1) {
-      out->print_cr("flag value must be a boolean (1 or 0)");
-      return JNI_ERR;
-    }
-    value = (tmp != 0);
-  }
-  bool res = CommandLineFlags::boolAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND);
-  if (! res) {
-    out->print_cr("setting flag %s failed", name);
-  }
-  return res? JNI_OK : JNI_ERR;
-}
-
-// set a intx global flag using value from AttachOperation
-static jint set_intx_flag(const char* name, AttachOperation* op, outputStream* out) {
-  intx value;
-  const char* arg1;
-  if ((arg1 = op->arg(1)) != NULL) {
-    int n = sscanf(arg1, INTX_FORMAT, &value);
-    if (n != 1) {
-      out->print_cr("flag value must be an integer");
-      return JNI_ERR;
-    }
-  }
-  bool res = CommandLineFlags::intxAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND);
-  if (! res) {
-    out->print_cr("setting flag %s failed", name);
-  }
-
-  return res? JNI_OK : JNI_ERR;
-}
-
-// set a uintx global flag using value from AttachOperation
-static jint set_uintx_flag(const char* name, AttachOperation* op, outputStream* out) {
-  uintx value;
-  const char* arg1;
-  if ((arg1 = op->arg(1)) != NULL) {
-    int n = sscanf(arg1, UINTX_FORMAT, &value);
-    if (n != 1) {
-      out->print_cr("flag value must be an unsigned integer");
-      return JNI_ERR;
-    }
-  }
-
-  if (strncmp(name, "MaxHeapFreeRatio", 17) == 0) {
-    FormatBuffer<80> err_msg("%s", "");
-    if (!Arguments::verify_MaxHeapFreeRatio(err_msg, value)) {
-      out->print_cr("%s", err_msg.buffer());
-      return JNI_ERR;
-    }
-  } else if (strncmp(name, "MinHeapFreeRatio", 17) == 0) {
-    FormatBuffer<80> err_msg("%s", "");
-    if (!Arguments::verify_MinHeapFreeRatio(err_msg, value)) {
-      out->print_cr("%s", err_msg.buffer());
-      return JNI_ERR;
-    }
-  }
-  bool res = CommandLineFlags::uintxAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND);
-  if (! res) {
-    out->print_cr("setting flag %s failed", name);
-  }
-
-  return res? JNI_OK : JNI_ERR;
-}
-
-// set a uint64_t global flag using value from AttachOperation
-static jint set_uint64_t_flag(const char* name, AttachOperation* op, outputStream* out) {
-  uint64_t value;
-  const char* arg1;
-  if ((arg1 = op->arg(1)) != NULL) {
-    int n = sscanf(arg1, UINT64_FORMAT, &value);
-    if (n != 1) {
-      out->print_cr("flag value must be an unsigned 64-bit integer");
-      return JNI_ERR;
-    }
-  }
-  bool res = CommandLineFlags::uint64_tAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND);
-  if (! res) {
-    out->print_cr("setting flag %s failed", name);
-  }
-
-  return res? JNI_OK : JNI_ERR;
-}
-
-// set a size_t global flag using value from AttachOperation
-static jint set_size_t_flag(const char* name, AttachOperation* op, outputStream* out) {
-  size_t value;
-  const char* arg1;
-  if ((arg1 = op->arg(1)) != NULL) {
-    int n = sscanf(arg1, SIZE_FORMAT, &value);
-    if (n != 1) {
-      out->print_cr("flag value must be an unsigned integer");
-      return JNI_ERR;
-    }
-  }
-  bool res = CommandLineFlags::size_tAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND);
-  if (! res) {
-    out->print_cr("setting flag %s failed", name);
-  }
-
-  return res? JNI_OK : JNI_ERR;
-}
-
-// set a string global flag using value from AttachOperation
-static jint set_ccstr_flag(const char* name, AttachOperation* op, outputStream* out) {
-  const char* value;
-  if ((value = op->arg(1)) == NULL) {
-    out->print_cr("flag value must be a string");
-    return JNI_ERR;
-  }
-  bool res = CommandLineFlags::ccstrAtPut((char*)name, &value, Flag::ATTACH_ON_DEMAND);
-  if (res) {
-    FREE_C_HEAP_ARRAY(char, value);
-  } else {
-    out->print_cr("setting flag %s failed", name);
-  }
-
-  return res? JNI_OK : JNI_ERR;
-}
-
 // Implementation of "setflag" command
 static jint set_flag(AttachOperation* op, outputStream* out) {
 
@@ -365,27 +239,21 @@
     return JNI_ERR;
   }
 
-  Flag* f = Flag::find_flag((char*)name, strlen(name));
-  if (f && f->is_external() && f->is_writeable()) {
-    if (f->is_bool()) {
-      return set_bool_flag(name, op, out);
-    } else if (f->is_intx()) {
-      return set_intx_flag(name, op, out);
-    } else if (f->is_uintx()) {
-      return set_uintx_flag(name, op, out);
-    } else if (f->is_uint64_t()) {
-      return set_uint64_t_flag(name, op, out);
-    } else if (f->is_size_t()) {
-      return set_size_t_flag(name, op, out);
-    } else if (f->is_ccstr()) {
-      return set_ccstr_flag(name, op, out);
+  FormatBuffer<80> err_msg("%s", "");
+
+  int ret = WriteableFlags::set_flag(op->arg(0), op->arg(1), Flag::ATTACH_ON_DEMAND, err_msg);
+  if (ret != WriteableFlags::SUCCESS) {
+    if (ret == WriteableFlags::NON_WRITABLE) {
+      // if the flag is not manageable try to change it through
+      // the platform dependent implementation
+      return AttachListener::pd_set_flag(op, out);
     } else {
-      ShouldNotReachHere();
-      return JNI_ERR;
+      out->print_cr("%s", err_msg.buffer());
     }
-  } else {
-    return AttachListener::pd_set_flag(op, out);
+
+    return JNI_ERR;
   }
+  return JNI_OK;
 }
 
 // Implementation of "printflag" command
--- a/src/share/vm/services/diagnosticCommand.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/services/diagnosticCommand.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -267,7 +267,7 @@
 
 void SystemGCDCmd::execute(DCmdSource source, TRAPS) {
   if (!DisableExplicitGC) {
-    Universe::heap()->collect(GCCause::_dcmd_gc_run);
+    Universe::heap()->collect(GCCause::_java_lang_system_gc);
   } else {
     output()->print_cr("Explicit GC is disabled, no GC has been performed.");
   }
--- a/src/share/vm/services/mallocSiteTable.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/services/mallocSiteTable.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -136,7 +136,7 @@
 MallocSite* MallocSiteTable::lookup_or_add(const NativeCallStack& key, size_t* bucket_idx,
   size_t* pos_idx) {
   int index = hash_to_index(key.hash());
-  assert(index >= 0, "Negative index");
+  assert(index >= 0, err_msg("Negative index %d", index));
   *bucket_idx = (size_t)index;
   *pos_idx = 0;
 
--- a/src/share/vm/services/mallocTracker.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/services/mallocTracker.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -52,7 +52,7 @@
 }
 
 // Make adjustment by subtracting chunks used by arenas
-// from total chunks to get total free chunck size
+// from total chunks to get total free chunk size
 void MallocMemorySnapshot::make_adjustment() {
   size_t arena_size = total_arena();
   int chunk_idx = NMTUtil::flag_to_index(mtChunk);
--- a/src/share/vm/services/mallocTracker.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/services/mallocTracker.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -29,6 +29,7 @@
 
 #include "memory/allocation.hpp"
 #include "runtime/atomic.hpp"
+#include "runtime/threadCritical.hpp"
 #include "services/nmtCommon.hpp"
 #include "utilities/nativeCallStack.hpp"
 
@@ -164,6 +165,10 @@
   }
 
   void copy_to(MallocMemorySnapshot* s) {
+    // Need to make sure that mtChunks don't get deallocated while the
+    // copy is going on, because their size is adjusted using this
+    // buffer in make_adjustment().
+    ThreadCritical tc;
     s->_tracking_header = _tracking_header;
     for (int index = 0; index < mt_number_of_types; index ++) {
       s->_malloc[index] = _malloc[index];
--- a/src/share/vm/services/management.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/services/management.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -43,6 +43,7 @@
 #include "services/classLoadingService.hpp"
 #include "services/diagnosticCommand.hpp"
 #include "services/diagnosticFramework.hpp"
+#include "services/writeableFlags.hpp"
 #include "services/heapDumper.hpp"
 #include "services/jmm.h"
 #include "services/lowMemoryDetector.hpp"
@@ -1698,56 +1699,21 @@
               "The flag name cannot be null.");
   }
   char* name = java_lang_String::as_utf8_string(fn);
-  Flag* flag = Flag::find_flag(name, strlen(name));
-  if (flag == NULL) {
-    THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
-              "Flag does not exist.");
-  }
-  if (!flag->is_writeable()) {
-    THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
-              "This flag is not writeable.");
-  }
 
-  bool succeed = false;
-  if (flag->is_bool()) {
-    bool bvalue = (new_value.z == JNI_TRUE ? true : false);
-    succeed = CommandLineFlags::boolAtPut(name, &bvalue, Flag::MANAGEMENT);
-  } else if (flag->is_intx()) {
-    intx ivalue = (intx)new_value.j;
-    succeed = CommandLineFlags::intxAtPut(name, &ivalue, Flag::MANAGEMENT);
-  } else if (flag->is_uintx()) {
-    uintx uvalue = (uintx)new_value.j;
+  FormatBuffer<80> err_msg("%s", "");
+  int succeed = WriteableFlags::set_flag(name, new_value, Flag::MANAGEMENT, err_msg);
 
-    if (strncmp(name, "MaxHeapFreeRatio", 17) == 0) {
-      FormatBuffer<80> err_msg("%s", "");
-      if (!Arguments::verify_MaxHeapFreeRatio(err_msg, uvalue)) {
-        THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), err_msg.buffer());
-      }
-    } else if (strncmp(name, "MinHeapFreeRatio", 17) == 0) {
-      FormatBuffer<80> err_msg("%s", "");
-      if (!Arguments::verify_MinHeapFreeRatio(err_msg, uvalue)) {
-        THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), err_msg.buffer());
-      }
-    }
-    succeed = CommandLineFlags::uintxAtPut(name, &uvalue, Flag::MANAGEMENT);
-  } else if (flag->is_uint64_t()) {
-    uint64_t uvalue = (uint64_t)new_value.j;
-    succeed = CommandLineFlags::uint64_tAtPut(name, &uvalue, Flag::MANAGEMENT);
-  } else if (flag->is_size_t()) {
-    size_t svalue = (size_t)new_value.j;
-    succeed = CommandLineFlags::size_tAtPut(name, &svalue, Flag::MANAGEMENT);
-  } else if (flag->is_ccstr()) {
-    oop str = JNIHandles::resolve_external_guard(new_value.l);
-    if (str == NULL) {
+  if (succeed != WriteableFlags::SUCCESS) {
+    if (succeed == WriteableFlags::MISSING_VALUE) {
+      // missing value causes NPE to be thrown
       THROW(vmSymbols::java_lang_NullPointerException());
-    }
-    ccstr svalue = java_lang_String::as_utf8_string(str);
-    succeed = CommandLineFlags::ccstrAtPut(name, &svalue, Flag::MANAGEMENT);
-    if (succeed) {
-      FREE_C_HEAP_ARRAY(char, svalue);
+    } else {
+      // all the other errors are reported as IAE with the appropriate error message
+      THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
+                err_msg.buffer());
     }
   }
-  assert(succeed, "Setting flag should succeed");
+  assert(succeed == WriteableFlags::SUCCESS, "Setting flag should succeed");
 JVM_END
 
 class ThreadTimesClosure: public ThreadClosure {
--- a/src/share/vm/services/nmtDCmd.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/services/nmtDCmd.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -137,8 +137,8 @@
     }
   } else if (_detail_diff.value()) {
     if (!check_detail_tracking_level(output())) {
-    return;
-  }
+      return;
+    }
     MemBaseline& baseline = MemTracker::get_baseline();
     if (baseline.baseline_type() == MemBaseline::Detail_baselined) {
       report_diff(false, scale_unit);
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/services/writeableFlags.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -0,0 +1,226 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "classfile/javaClasses.hpp"
+#include "runtime/arguments.hpp"
+#include "runtime/java.hpp"
+#include "runtime/jniHandles.hpp"
+#include "services/writeableFlags.hpp"
+
+// set a boolean global flag
+int WriteableFlags::set_bool_flag(const char* name, const char* arg, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  int value = true;
+
+  if (sscanf(arg, "%d", &value)) {
+    return set_bool_flag(name, value != 0, origin, err_msg);
+  }
+  err_msg.print("flag value must be a boolean (1 or 0)");
+  return WRONG_FORMAT;
+}
+
+int WriteableFlags::set_bool_flag(const char* name, bool value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  return CommandLineFlags::boolAtPut((char*)name, &value, origin) ? SUCCESS : ERR_OTHER;
+}
+
+// set a intx global flag
+int WriteableFlags::set_intx_flag(const char* name, const char* arg, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  intx value;
+
+  if (sscanf(arg, INTX_FORMAT, &value)) {
+    return set_intx_flag(name, value, origin, err_msg);
+  }
+  err_msg.print("flag value must be an integer");
+  return WRONG_FORMAT;
+}
+
+int WriteableFlags::set_intx_flag(const char* name, intx value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  return CommandLineFlags::intxAtPut((char*)name, &value, origin) ? SUCCESS : ERR_OTHER;
+}
+
+// set a uintx global flag
+int WriteableFlags::set_uintx_flag(const char* name, const char* arg, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  uintx value;
+
+  if (sscanf(arg, UINTX_FORMAT, &value)) {
+    return set_uintx_flag(name, value, origin, err_msg);
+  }
+  err_msg.print("flag value must be an unsigned integer");
+  return WRONG_FORMAT;
+}
+
+int WriteableFlags::set_uintx_flag(const char* name, uintx value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  if (strncmp(name, "MaxHeapFreeRatio", 17) == 0) {
+      if (!Arguments::verify_MaxHeapFreeRatio(err_msg, value)) {
+        return OUT_OF_BOUNDS;
+      }
+    } else if (strncmp(name, "MinHeapFreeRatio", 17) == 0) {
+      if (!Arguments::verify_MinHeapFreeRatio(err_msg, value)) {
+        return OUT_OF_BOUNDS;
+      }
+    }
+    return CommandLineFlags::uintxAtPut((char*)name, &value, origin) ? SUCCESS : ERR_OTHER;
+}
+
+// set a uint64_t global flag
+int WriteableFlags::set_uint64_t_flag(const char* name, const char* arg, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  uint64_t value;
+
+  if (sscanf(arg, UINT64_FORMAT, &value)) {
+    return set_uint64_t_flag(name, value, origin, err_msg);
+  }
+  err_msg.print("flag value must be an unsigned 64-bit integer");
+  return WRONG_FORMAT;
+}
+
+int WriteableFlags::set_uint64_t_flag(const char* name, uint64_t value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  return CommandLineFlags::uint64_tAtPut((char*)name, &value, origin) ? SUCCESS : ERR_OTHER;
+}
+
+// set a size_t global flag
+int WriteableFlags::set_size_t_flag(const char* name, const char* arg, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  size_t value;
+
+  if (sscanf(arg, SIZE_FORMAT, &value)) {
+    return set_size_t_flag(name, value, origin, err_msg);
+  }
+  err_msg.print("flag value must be an unsigned integer");
+  return WRONG_FORMAT;
+}
+
+int WriteableFlags::set_size_t_flag(const char* name, size_t value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  return CommandLineFlags::size_tAtPut((char*)name, &value, origin) ? SUCCESS : ERR_OTHER;
+}
+
+// set a string global flag using value from AttachOperation
+int WriteableFlags::set_ccstr_flag(const char* name, const char* arg, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  bool res = CommandLineFlags::ccstrAtPut((char*)name, &arg, origin);
+
+  return res? SUCCESS : ERR_OTHER;
+}
+
+/* sets a writeable flag to the provided value
+ *
+ * - return status is one of the WriteableFlags::err enum values
+ * - an eventual error message will be generated to the provided err_msg buffer
+ */
+int WriteableFlags::set_flag(const char* flag_name, const char* flag_value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  return set_flag(flag_name, &flag_value, set_flag_from_char, origin, err_msg);
+}
+
+/* sets a writeable flag to the provided value
+ *
+ * - return status is one of the WriteableFlags::err enum values
+ * - an eventual error message will be generated to the provided err_msg buffer
+ */
+int WriteableFlags::set_flag(const char* flag_name, jvalue flag_value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  return set_flag(flag_name, &flag_value, set_flag_from_jvalue, origin, err_msg);
+}
+
+// a writeable flag setter accepting either 'jvalue' or 'char *' values
+int WriteableFlags::set_flag(const char* name, const void* value, int(*setter)(Flag*,const void*,Flag::Flags,FormatBuffer<80>&), Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  if (name == NULL) {
+    err_msg.print("flag name is missing");
+    return MISSING_NAME;
+  }
+  if (value == NULL) {
+    err_msg.print("flag value is missing");
+    return MISSING_VALUE;
+  }
+
+  Flag* f = Flag::find_flag((char*)name, strlen(name));
+  if (f) {
+    // only writeable flags are allowed to be set
+    if (f->is_writeable()) {
+      return setter(f, value, origin, err_msg);
+    } else {
+      err_msg.print("only 'writeable' flags can be set");
+      return NON_WRITABLE;
+    }
+  }
+
+  err_msg.print("flag %s does not exist", name);
+  return INVALID_FLAG;
+}
+
+// a writeable flag setter accepting 'char *' values
+int WriteableFlags::set_flag_from_char(Flag* f, const void* value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  char* flag_value = *(char**)value;
+  if (flag_value == NULL) {
+    err_msg.print("flag value is missing");
+    return MISSING_VALUE;
+  }
+  if (f->is_bool()) {
+    return set_bool_flag(f->_name, flag_value, origin, err_msg);
+  } else if (f->is_intx()) {
+    return set_intx_flag(f->_name, flag_value, origin, err_msg);
+  } else if (f->is_uintx()) {
+    return set_uintx_flag(f->_name, flag_value, origin, err_msg);
+  } else if (f->is_uint64_t()) {
+    return set_uint64_t_flag(f->_name, flag_value, origin, err_msg);
+  } else if (f->is_size_t()) {
+    return set_size_t_flag(f->_name, flag_value, origin, err_msg);
+  } else if (f->is_ccstr()) {
+    return set_ccstr_flag(f->_name, flag_value, origin, err_msg);
+  } else {
+    ShouldNotReachHere();
+  }
+  return ERR_OTHER;
+}
+
+// a writeable flag setter accepting 'jvalue' values
+int WriteableFlags::set_flag_from_jvalue(Flag* f, const void* value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  jvalue new_value = *(jvalue*)value;
+  if (f->is_bool()) {
+    bool bvalue = (new_value.z == JNI_TRUE ? true : false);
+    return set_bool_flag(f->_name, bvalue, origin, err_msg);
+  } else if (f->is_intx()) {
+    intx ivalue = (intx)new_value.j;
+    return set_intx_flag(f->_name, ivalue, origin, err_msg);
+  } else if (f->is_uintx()) {
+    uintx uvalue = (uintx)new_value.j;
+    return set_uintx_flag(f->_name, uvalue, origin, err_msg);
+  } else if (f->is_uint64_t()) {
+    uint64_t uvalue = (uint64_t)new_value.j;
+    return set_uint64_t_flag(f->_name, uvalue, origin, err_msg);
+  } else if (f->is_size_t()) {
+    size_t svalue = (size_t)new_value.j;
+    return set_size_t_flag(f->_name, svalue, origin, err_msg);
+  } else if (f->is_ccstr()) {
+    oop str = JNIHandles::resolve_external_guard(new_value.l);
+    if (str == NULL) {
+      err_msg.print("flag value is missing");
+      return MISSING_VALUE;
+    }
+    ccstr svalue = java_lang_String::as_utf8_string(str);
+    int ret = WriteableFlags::set_ccstr_flag(f->_name, svalue, origin, err_msg);
+    if (ret != SUCCESS) {
+      FREE_C_HEAP_ARRAY(char, svalue);
+    }
+    return ret;
+  } else {
+    ShouldNotReachHere();
+  }
+  return ERR_OTHER;
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/services/writeableFlags.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_SERVICES_WRITEABLEFLAG_HPP
+#define SHARE_VM_SERVICES_WRITEABLEFLAG_HPP
+
+class WriteableFlags : AllStatic {
+public:
+  enum error {
+    // no error
+    SUCCESS,
+    // flag name is missing
+    MISSING_NAME,
+    // flag value is missing
+    MISSING_VALUE,
+    // error parsing the textual form of the value
+    WRONG_FORMAT,
+    // flag is not writeable
+    NON_WRITABLE,
+    // flag value is outside of its bounds
+    OUT_OF_BOUNDS,
+    // there is no flag with the given name
+    INVALID_FLAG,
+    // other, unspecified error related to setting the flag
+    ERR_OTHER
+  } err;
+
+private:
+  // a writeable flag setter accepting either 'jvalue' or 'char *' values
+  static int set_flag(const char* name, const void* value, int(*setter)(Flag*, const void*, Flag::Flags, FormatBuffer<80>&), Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // a writeable flag setter accepting 'char *' values
+  static int set_flag_from_char(Flag* f, const void* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // a writeable flag setter accepting 'jvalue' values
+  static int set_flag_from_jvalue(Flag* f, const void* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+
+  // set a boolean global flag
+  static int set_bool_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a intx global flag
+  static int set_intx_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a uintx global flag
+  static int set_uintx_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a uint64_t global flag
+  static int set_uint64_t_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a size_t global flag using value from AttachOperation
+  static int set_size_t_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a boolean global flag
+  static int set_bool_flag(const char* name, bool value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a intx global flag
+  static int set_intx_flag(const char* name, intx value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a uintx global flag
+  static int set_uintx_flag(const char* name, uintx value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a uint64_t global flag
+  static int set_uint64_t_flag(const char* name, uint64_t value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a size_t global flag using value from AttachOperation
+  static int set_size_t_flag(const char* name, size_t value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a string global flag
+  static int set_ccstr_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+
+public:
+  /* sets a writeable flag to the provided value
+   *
+   * - return status is one of the WriteableFlags::err enum values
+   * - an eventual error message will be generated to the provided err_msg buffer
+   */
+  static int set_flag(const char* flag_name, const char* flag_value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+
+  /* sets a writeable flag to the provided value
+   *
+   * - return status is one of the WriteableFlags::err enum values
+   * - an eventual error message will be generated to the provided err_msg buffer
+   */
+  static int set_flag(const char* flag_name, jvalue flag_value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+};
+
+#endif /* SHARE_VM_SERVICES_WRITEABLEFLAG_HPP */
+
--- a/src/share/vm/utilities/debug.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/utilities/debug.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -316,13 +316,47 @@
 #ifndef PRODUCT
 #include <signal.h>
 
+typedef void (*voidfun_t)();
+// Crash with an authentic sigfpe
+static void crash_with_sigfpe() {
+  // generate a native synchronous SIGFPE where possible;
+  // if that did not cause a signal (e.g. on ppc), just
+  // raise the signal.
+  volatile int x = 0;
+  volatile int y = 1/x;
+#ifndef _WIN32
+  raise(SIGFPE);
+#endif
+} // end: crash_with_sigfpe
+
+// crash with sigsegv at non-null address.
+static void crash_with_segfault() {
+
+  char* const crash_addr = (char*) get_segfault_address();
+  *crash_addr = 'X';
+
+} // end: crash_with_segfault
+
+// returns an address which is guaranteed to generate a SIGSEGV on read,
+// for test purposes, which is not NULL and contains bits in every word
+void* get_segfault_address() {
+  return (void*)
+#ifdef _LP64
+    0xABC0000000000ABCULL;
+#else
+    0x00000ABC;
+#endif
+}
+
 void test_error_handler() {
-  uintx test_num = ErrorHandlerTest;
-  if (test_num == 0) return;
+  controlled_crash(ErrorHandlerTest);
+}
+
+void controlled_crash(int how) {
+  if (how == 0) return;
 
   // If asserts are disabled, use the corresponding guarantee instead.
-  size_t n = test_num;
-  NOT_DEBUG(if (n <= 2) n += 2);
+  NOT_DEBUG(if (how <= 2) how += 2);
 
   const char* const str = "hello";
   const size_t      num = (size_t)os::vm_page_size();
@@ -333,7 +367,7 @@
   const void (*funcPtr)(void) = (const void(*)()) 0xF;  // bad function pointer
 
   // Keep this in sync with test/runtime/6888954/vmerrors.sh.
-  switch (n) {
+  switch (how) {
     case  1: vmassert(str == NULL, "expected null");
     case  2: vmassert(num == 1023 && *str == 'X',
                       err_msg("num=" SIZE_FORMAT " str=\"%s\"", num, str));
@@ -358,8 +392,10 @@
     // There's no guarantee the bad function pointer will crash us
     // so "break" out to the ShouldNotReachHere().
     case 13: (*funcPtr)(); break;
+    case 14: crash_with_segfault(); break;
+    case 15: crash_with_sigfpe(); break;
 
-    default: tty->print_cr("ERROR: %d: unexpected test_num value.", n);
+    default: tty->print_cr("ERROR: %d: unexpected test_num value.", how);
   }
   ShouldNotReachHere();
 }
--- a/src/share/vm/utilities/debug.hpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/utilities/debug.hpp	Mon Feb 16 08:47:39 2015 -0800
@@ -248,6 +248,24 @@
 /* Test vmassert(), fatal(), guarantee(), etc. */
 NOT_PRODUCT(void test_error_handler();)
 
+// crash in a controlled way:
+// how can be one of:
+// 1,2 - asserts
+// 3,4 - guarantee
+// 5-7 - fatal
+// 8 - vm_exit_out_of_memory
+// 9 - ShouldNotCallThis
+// 10 - ShouldNotReachHere
+// 11 - Unimplemented
+// 12,13 - (not guaranteed) crashes
+// 14 - SIGSEGV
+// 15 - SIGFPE
+NOT_PRODUCT(void controlled_crash(int how);)
+
+// returns an address which is guaranteed to generate a SIGSEGV on read,
+// for test purposes, which is not NULL and contains bits in every word
+NOT_PRODUCT(void* get_segfault_address();)
+
 void pd_ps(frame f);
 void pd_obfuscate_location(char *buf, size_t buflen);
 
--- a/src/share/vm/utilities/vmError.cpp	Thu Feb 12 16:39:35 2015 -0800
+++ b/src/share/vm/utilities/vmError.cpp	Mon Feb 16 08:47:39 2015 -0800
@@ -353,6 +353,26 @@
                    "Runtime Environment to continue.");
     }
 
+#ifndef PRODUCT
+  // Error handler self tests
+
+  // test secondary error handling. Test it twice, to test that resetting
+  // error handler after a secondary crash works.
+  STEP(13, "(test secondary crash 1)")
+    if (_verbose && TestCrashInErrorHandler != 0) {
+      st->print_cr("Will crash now (TestCrashInErrorHandler=%d)...",
+        TestCrashInErrorHandler);
+      controlled_crash(TestCrashInErrorHandler);
+    }
+
+  STEP(14, "(test secondary crash 2)")
+    if (_verbose && TestCrashInErrorHandler != 0) {
+      st->print_cr("Will crash now (TestCrashInErrorHandler=%d)...",
+        TestCrashInErrorHandler);
+      controlled_crash(TestCrashInErrorHandler);
+    }
+#endif // PRODUCT
+
   STEP(15, "(printing type of error)")
 
      switch(_id) {
@@ -786,6 +806,15 @@
        st->cr();
      }
 
+#ifndef PRODUCT
+  // print a defined marker to show that error handling finished correctly.
+  STEP(290, "(printing end marker)" )
+
+     if (_verbose) {
+       st->print_cr("END.");
+     }
+#endif
+
   END
 
 # undef BEGIN
--- a/test/TEST.ROOT	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/TEST.ROOT	Mon Feb 16 08:47:39 2015 -0800
@@ -31,3 +31,6 @@
 
 groups=TEST.groups [closed/TEST.groups]
 requires.properties=sun.arch.data.model
+
+# Tests using jtreg 4.1 b10 features
+requiredVersion=4.1 b10
--- a/test/TEST.groups	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/TEST.groups	Mon Feb 16 08:47:39 2015 -0800
@@ -235,7 +235,8 @@
   gc/metaspace/G1AddMetaspaceDependency.java \
   gc/metaspace/TestMetaspacePerfCounters.java \
   gc/startup_warnings/TestG1.java \
-  gc/whitebox/TestConcMarkCycleWB.java
+  gc/whitebox/TestConcMarkCycleWB.java \
+  gc/arguments/TestG1ConcRefinementThreads.java
 
 # All tests that explicitly set the serial GC
 #
--- a/test/compiler/arguments/CheckCompileThresholdScaling.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/compiler/arguments/CheckCompileThresholdScaling.java	Mon Feb 16 08:47:39 2015 -0800
@@ -26,7 +26,7 @@
 /*
  * @test CheckCompileThresholdScaling
  * @bug 8059604
- * @summary "Add CompileThresholdScalingPercentage flag to control when methods are first compiled (with +/-TieredCompilation)"
+ * @summary "Add CompileThresholdScaling flag to control when methods are first compiled (with +/-TieredCompilation)"
  * @library /testlibrary
  * @run main CheckCompileThresholdScaling
  */
--- a/test/compiler/arraycopy/TestArrayCopyNoInit.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/compiler/arraycopy/TestArrayCopyNoInit.java	Mon Feb 16 08:47:39 2015 -0800
@@ -29,8 +29,6 @@
  *
  */
 
-import java.lang.invoke.*;
-
 public class TestArrayCopyNoInit {
 
     static int[] m1(int[] src) {
@@ -134,7 +132,7 @@
         return dest;
     }
 
-    static public void main(String[] args) throws Throwable {
+    static public void main(String[] args) {
         boolean success = true;
         int[] src = new int[10];
         TestArrayCopyNoInit[] src2 = new TestArrayCopyNoInit[10];
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/arraycopy/TestArrayCopyNoInitDeopt.java	Mon Feb 16 08:47:39 2015 -0800
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8072016
+ * @summary Infinite deoptimization/recompilation cycles in case of arraycopy with tightly coupled allocation
+ * @library /testlibrary /../../test/lib /compiler/whitebox
+ * @build TestArrayCopyNoInitDeopt
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main ClassFileInstaller com.oracle.java.testlibrary.Platform
+ * @run main/othervm -Xmixed -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
+ *                   -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:TypeProfileLevel=020
+ *                   TestArrayCopyNoInitDeopt
+ *
+ */
+
+
+import sun.hotspot.WhiteBox;
+import sun.hotspot.code.NMethod;
+import com.oracle.java.testlibrary.Platform;
+import java.lang.reflect.*;
+
+public class TestArrayCopyNoInitDeopt {
+
+    public static int[] m1(Object src) {
+        if (src == null) return null;
+        int[] dest = new int[10];
+        try {
+            System.arraycopy(src, 0, dest, 0, 10);
+        } catch (ArrayStoreException npe) {
+        }
+        return dest;
+    }
+
+    static Object m2_src(Object src) {
+        return src;
+    }
+
+    public static int[] m2(Object src) {
+        if (src == null) return null;
+        src = m2_src(src);
+        int[] dest = new int[10];
+        try {
+            System.arraycopy(src, 0, dest, 0, 10);
+        } catch (ArrayStoreException npe) {
+        }
+        return dest;
+    }
+
+    private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
+
+    static boolean deoptimize(Method method, Object src_obj) throws Exception {
+        for (int i = 0; i < 10; i++) {
+            method.invoke(null, src_obj);
+            if (!WHITE_BOX.isMethodCompiled(method)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    static public void main(String[] args) throws Exception {
+        if (Platform.isServer()) {
+            int[] src = new int[10];
+            Object src_obj = new Object();
+            Method method_m1 = TestArrayCopyNoInitDeopt.class.getMethod("m1", Object.class);
+            Method method_m2 = TestArrayCopyNoInitDeopt.class.getMethod("m2", Object.class);
+
+            // Warm up
+            for (int i = 0; i < 20000; i++) {
+                m1(src);
+            }
+
+            // And make sure m1 is compiled by C2
+            WHITE_BOX.enqueueMethodForCompilation(method_m1, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);
+
+            if (!WHITE_BOX.isMethodCompiled(method_m1)) {
+                throw new RuntimeException("m1 not compiled");
+            }
+
+            // should deoptimize for type check
+            if (!deoptimize(method_m1, src_obj)) {
+                throw new RuntimeException("m1 not deoptimized");
+            }
+
+            WHITE_BOX.enqueueMethodForCompilation(method_m1, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);
+
+            if (!WHITE_BOX.isMethodCompiled(method_m1)) {
+                throw new RuntimeException("m1 not recompiled");
+            }
+
+            if (deoptimize(method_m1, src_obj)) {
+                throw new RuntimeException("m1 deoptimized again");
+            }
+
+            // Same test as above but with speculative types
+
+            // Warm up & make sure we collect type profiling
+            for (int i = 0; i < 20000; i++) {
+                m2(src);
+            }
+
+            // And make sure m2 is compiled by C2
+            WHITE_BOX.enqueueMethodForCompilation(method_m2, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);
+
+            if (!WHITE_BOX.isMethodCompiled(method_m2)) {
+                throw new RuntimeException("m2 not compiled");
+            }
+
+            // should deoptimize for speculative type check
+            if (!deoptimize(method_m2, src_obj)) {
+                throw new RuntimeException("m2 not deoptimized");
+            }
+
+            WHITE_BOX.enqueueMethodForCompilation(method_m2, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);
+
+            if (!WHITE_BOX.isMethodCompiled(method_m2)) {
+                throw new RuntimeException("m2 not recompiled");
+            }
+
+            // should deoptimize for actual type check
+            if (!deoptimize(method_m2, src_obj)) {
+                throw new RuntimeException("m2 not deoptimized");
+            }
+
+            WHITE_BOX.enqueueMethodForCompilation(method_m2, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);
+
+            if (!WHITE_BOX.isMethodCompiled(method_m2)) {
+                throw new RuntimeException("m2 not recompiled");
+            }
+
+            if (deoptimize(method_m2, src_obj)) {
+                throw new RuntimeException("m2 deoptimized again");
+            }
+        }
+    }
+}
--- a/test/compiler/c2/6857159/Test6857159.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/compiler/c2/6857159/Test6857159.java	Mon Feb 16 08:47:39 2015 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,15 +26,24 @@
  * @test
  * @bug 6857159
  * @summary local schedule failed with checkcast of Thread.currentThread()
- *
- * @run shell Test6857159.sh
+ * @library /testlibrary
  */
 
-public class Test6857159 extends Thread {
-    static class ct0 extends Test6857159 {
-        public void message() {
-            // System.out.println("message");
-        }
+import com.oracle.java.testlibrary.*;
+
+public class Test6857159 {
+    public static void main(String[] args) throws Exception {
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xbatch", "-XX:+PrintCompilation",
+                                                                  "-XX:CompileOnly=Test$ct.run", "Test");
+        OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
+        analyzer.shouldNotContain("COMPILE SKIPPED");
+        analyzer.shouldContain("Test$ct0::run (16 bytes)");
+    }
+}
+
+class Test extends Thread {
+    static class ct0 extends Test {
+        public void message() { }
 
         public void run() {
              message();
@@ -43,14 +52,10 @@
         }
     }
     static class ct1 extends ct0 {
-        public void message() {
-            // System.out.println("message");
-        }
+        public void message() { }
     }
     static class ct2 extends ct0 {
-        public void message() {
-            // System.out.println("message");
-        }
+        public void message() { }
     }
 
     public static void main(String[] args) throws Exception {
--- a/test/compiler/codecache/jmx/InitialAndMaxUsageTest.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/compiler/codecache/jmx/InitialAndMaxUsageTest.java	Mon Feb 16 08:47:39 2015 -0800
@@ -36,7 +36,7 @@
  * @run main/othervm -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing
  *     -XX:-MethodFlushing -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  *     -XX:+SegmentedCodeCache -XX:CompileCommand=compileonly,null::*
- *     InitialAndMaxUsageTest
+ *     -XX:-UseLargePages InitialAndMaxUsageTest
  * @summary testing of initial and max usage
  */
 public class InitialAndMaxUsageTest {
--- a/test/compiler/codecache/stress/OverloadCompileQueueTest.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/compiler/codecache/stress/OverloadCompileQueueTest.java	Mon Feb 16 08:47:39 2015 -0800
@@ -30,6 +30,7 @@
 /*
  * @test OverloadCompileQueueTest
  * @library /testlibrary /../../test/lib
+ * @ignore 8071905
  * @build OverloadCompileQueueTest
  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
--- a/test/compiler/whitebox/DeoptimizeFramesTest.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/compiler/whitebox/DeoptimizeFramesTest.java	Mon Feb 16 08:47:39 2015 -0800
@@ -31,11 +31,11 @@
  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  *                   -XX:+WhiteBoxAPI -Xmixed
  *                   -XX:CompileCommand=compileonly,DeoptimizeFramesTest$TestCaseImpl::method
- *                   -XX:-DeoptimizeRandom DeoptimizeFramesTest true
+ *                   -XX:-DeoptimizeRandom -XX:-DeoptimizeALot DeoptimizeFramesTest true
  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  *                   -XX:+WhiteBoxAPI -Xmixed
  *                   -XX:CompileCommand=compileonly,DeoptimizeFramesTest$TestCaseImpl::method
- *                   -XX:-DeoptimizeRandom DeoptimizeFramesTest false
+ *                   -XX:-DeoptimizeRandom -XX:-DeoptimizeALot DeoptimizeFramesTest false
  * @summary testing of WB::deoptimizeFrames()
  */
 import java.lang.reflect.Executable;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/ErrorHandling/SecondaryErrorTest.java	Mon Feb 16 08:47:39 2015 -0800
@@ -0,0 +1,105 @@
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStreamReader;
+import java.util.regex.Pattern;
+
+import com.oracle.java.testlibrary.OutputAnalyzer;
+import com.oracle.java.testlibrary.Platform;
+import com.oracle.java.testlibrary.ProcessTools;
+
+/*
+ * @test
+ * @bug 8065896
+ * @summary Synchronous signals during error reporting may terminate or hang VM process
+ * @library /testlibrary
+ * @author Thomas Stuefe (SAP)
+ */
+
+public class SecondaryErrorTest {
+
+
+  public static void main(String[] args) throws Exception {
+
+    // Do not execute for windows, nor for non-debug builds
+    if (Platform.isWindows()) {
+      return;
+    }
+
+    if (!Platform.isDebugBuild()) {
+      return;
+    }
+
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+        "-XX:+UnlockDiagnosticVMOptions",
+        "-Xmx100M",
+        "-XX:ErrorHandlerTest=15",
+        "-XX:TestCrashInErrorHandler=14",
+        "-version");
+
+    OutputAnalyzer output_detail = new OutputAnalyzer(pb.start());
+
+    // we should have crashed with a SIGFPE
+    output_detail.shouldMatch("# A fatal error has been detected by the Java Runtime Environment:.*");
+    output_detail.shouldMatch("# +SIGFPE.*");
+
+    // extract hs-err file
+    String hs_err_file = output_detail.firstMatch("# *(\\S*hs_err_pid\\d+\\.log)", 1);
+    if (hs_err_file == null) {
+      throw new RuntimeException("Did not find hs-err file in output.\n");
+    }
+
+    // scan hs-err file: File should contain the "[error occurred during error reporting..]"
+    // markers which show that the secondary error handling kicked in and handled the
+    // error successfully. As an added test, we check that the last line contains "END.",
+    // which is an end marker written in the last step and proves that hs-err file was
+    // completely written.
+    File f = new File(hs_err_file);
+    if (!f.exists()) {
+      throw new RuntimeException("hs-err file missing at "
+          + f.getAbsolutePath() + ".\n");
+    }
+
+    System.out.println("Found hs_err file. Scanning...");
+
+    FileInputStream fis = new FileInputStream(f);
+    BufferedReader br = new BufferedReader(new InputStreamReader(fis));
+    String line = null;
+
+    Pattern [] pattern = new Pattern[] {
+        Pattern.compile("Will crash now \\(TestCrashInErrorHandler=14\\)..."),
+        Pattern.compile("\\[error occurred during error reporting \\(test secondary crash 1\\).*\\]"),
+        Pattern.compile("Will crash now \\(TestCrashInErrorHandler=14\\)..."),
+        Pattern.compile("\\[error occurred during error reporting \\(test secondary crash 2\\).*\\]"),
+    };
+    int currentPattern = 0;
+
+    String lastLine = null;
+    while ((line = br.readLine()) != null) {
+      if (currentPattern < pattern.length) {
+        if (pattern[currentPattern].matcher(line).matches()) {
+          System.out.println("Found: " + line + ".");
+          currentPattern ++;
+        }
+      }
+      lastLine = line;
+    }
+    br.close();
+
+    if (currentPattern < pattern.length) {
+      throw new RuntimeException("hs-err file incomplete (first missing pattern: " +  currentPattern + ")");
+    }
+
+    if (!lastLine.equals("END.")) {
+      throw new RuntimeException("hs-err file incomplete (missing END marker.)");
+    } else {
+      System.out.println("End marker found.");
+    }
+
+    System.out.println("OK.");
+
+  }
+
+}
+
+
--- a/test/runtime/Unsafe/FieldOffset.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/runtime/Unsafe/FieldOffset.java	Mon Feb 16 08:47:39 2015 -0800
@@ -37,18 +37,31 @@
 public class FieldOffset {
     public static void main(String args[]) throws Exception {
         Unsafe unsafe = Utils.getUnsafe();
-        Field fields[] = Test.class.getDeclaredFields();
+        Field[] fields = Test.class.getDeclaredFields();
 
         for (int i = 0; i < fields.length; i++) {
-            int offset = unsafe.fieldOffset(fields[i]);
+            long offset = unsafe.objectFieldOffset(fields[i]);
             // Ensure we got a valid offset value back
             assertNotEquals(offset, unsafe.INVALID_FIELD_OFFSET);
 
             // Make sure the field offset is unique
             for (int j = 0; j < i; j++) {
-                assertNotEquals(offset, unsafe.fieldOffset(fields[j]));
+                assertNotEquals(offset, unsafe.objectFieldOffset(fields[j]));
             }
         }
+
+        fields = StaticTest.class.getDeclaredFields();
+        for (int i = 0; i < fields.length; i++) {
+            long offset = unsafe.staticFieldOffset(fields[i]);
+            // Ensure we got a valid offset value back
+            assertNotEquals(offset, unsafe.INVALID_FIELD_OFFSET);
+
+            // Make sure the field offset is unique
+            for (int j = 0; j < i; j++) {
+                assertNotEquals(offset, unsafe.staticFieldOffset(fields[j]));
+            }
+        }
+
     }
 
     class Test {
@@ -62,4 +75,17 @@
         Object objectField;
         short shortField;
     }
+
+    static class StaticTest {
+        static boolean booleanField;
+        static byte byteField;
+        static char charField;
+        static double doubleField;
+        static float floatField;
+        static int intField;
+        static long longField;
+        static Object objectField;
+        static short shortField;
+    }
+
 }
--- a/test/runtime/Unsafe/GetPutBoolean.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/runtime/Unsafe/GetPutBoolean.java	Mon Feb 16 08:47:39 2015 -0800
@@ -39,7 +39,7 @@
         Test t = new Test();
         Field field = Test.class.getField("b1");
 
-        int offset = unsafe.fieldOffset(field);
+        long offset = unsafe.objectFieldOffset(field);
         assertEquals(false, unsafe.getBoolean(t, offset));
         unsafe.putBoolean(t, offset, true);
         assertEquals(true, unsafe.getBoolean(t, offset));
--- a/test/runtime/Unsafe/GetPutByte.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/runtime/Unsafe/GetPutByte.java	Mon Feb 16 08:47:39 2015 -0800
@@ -39,7 +39,7 @@
         Test t = new Test();
         Field field = Test.class.getField("b");
 
-        int offset = unsafe.fieldOffset(field);
+        long offset = unsafe.objectFieldOffset(field);
         assertEquals((byte)0, unsafe.getByte(t, offset));
         unsafe.putByte(t, offset, (byte)1);
         assertEquals((byte)1, unsafe.getByte(t, offset));
--- a/test/runtime/Unsafe/GetPutChar.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/runtime/Unsafe/GetPutChar.java	Mon Feb 16 08:47:39 2015 -0800
@@ -39,7 +39,7 @@
         Test t = new Test();
         Field field = Test.class.getField("c");
 
-        int offset = unsafe.fieldOffset(field);
+        long offset = unsafe.objectFieldOffset(field);
         assertEquals('\u0000', unsafe.getChar(t, offset));
         unsafe.putChar(t, offset, '\u0001');
         assertEquals('\u0001', unsafe.getChar(t, offset));
--- a/test/runtime/Unsafe/GetPutDouble.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/runtime/Unsafe/GetPutDouble.java	Mon Feb 16 08:47:39 2015 -0800
@@ -39,7 +39,7 @@
         Test t = new Test();
         Field field = Test.class.getField("d");
 
-        int offset = unsafe.fieldOffset(field);
+        long offset = unsafe.objectFieldOffset(field);
         assertEquals(-1.0, unsafe.getDouble(t, offset));
         unsafe.putDouble(t, offset, 0.0);
         assertEquals(0.0, unsafe.getDouble(t, offset));
--- a/test/runtime/Unsafe/GetPutFloat.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/runtime/Unsafe/GetPutFloat.java	Mon Feb 16 08:47:39 2015 -0800
@@ -39,7 +39,7 @@
         Test t = new Test();
         Field field = Test.class.getField("f");
 
-        int offset = unsafe.fieldOffset(field);
+        long offset = unsafe.objectFieldOffset(field);
         assertEquals(-1.0f, unsafe.getFloat(t, offset));
         unsafe.putFloat(t, offset, 0.0f);
         assertEquals(0.0f, unsafe.getFloat(t, offset));
--- a/test/runtime/Unsafe/GetPutInt.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/runtime/Unsafe/GetPutInt.java	Mon Feb 16 08:47:39 2015 -0800
@@ -38,7 +38,7 @@
         Test t = new Test();
         Field field = Test.class.getField("i");
 
-        int offset = unsafe.fieldOffset(field);
+        long offset = unsafe.objectFieldOffset(field);
         assertEquals(-1, unsafe.getInt(t, offset));
         unsafe.putInt(t, offset, 0);
         assertEquals(0, unsafe.getInt(t, offset));
--- a/test/runtime/Unsafe/GetPutLong.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/runtime/Unsafe/GetPutLong.java	Mon Feb 16 08:47:39 2015 -0800
@@ -39,7 +39,7 @@
         Test t = new Test();
         Field field = Test.class.getField("l");
 
-        int offset = unsafe.fieldOffset(field);
+        long offset = unsafe.objectFieldOffset(field);
         assertEquals(-1L, unsafe.getLong(t, offset));
         unsafe.putLong(t, offset, 0L);
         assertEquals(0L, unsafe.getLong(t, offset));
--- a/test/runtime/Unsafe/GetPutObject.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/runtime/Unsafe/GetPutObject.java	Mon Feb 16 08:47:39 2015 -0800
@@ -40,7 +40,7 @@
         Object o = new Object();
         Field field = Test.class.getField("o");
 
-        int offset = unsafe.fieldOffset(field);
+        long offset = unsafe.objectFieldOffset(field);
         assertEquals(t.o, unsafe.getObject(t, offset));
 
         unsafe.putObject(t, offset, o);
--- a/test/runtime/Unsafe/GetPutShort.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/runtime/Unsafe/GetPutShort.java	Mon Feb 16 08:47:39 2015 -0800
@@ -39,7 +39,7 @@
         Test t = new Test();
         Field field = Test.class.getField("s");
 
-        int offset = unsafe.fieldOffset(field);
+        long offset = unsafe.objectFieldOffset(field);
         assertEquals((short)-1, unsafe.getShort(t, offset));
         unsafe.putShort(t, offset, (short)0);
         assertEquals((short)0, unsafe.getShort(t, offset));
--- a/test/serviceability/dcmd/framework/HelpTest.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/serviceability/dcmd/framework/HelpTest.java	Mon Feb 16 08:47:39 2015 -0800
@@ -33,6 +33,7 @@
  * @test
  * @summary Test of diagnostic command help (tests all DCMD executors)
  * @library /testlibrary
+ * @ignore 8072440
  * @build com.oracle.java.testlibrary.*
  * @build com.oracle.java.testlibrary.dcmd.*
  * @run testng/othervm -XX:+UsePerfData HelpTest
--- a/test/serviceability/dcmd/framework/InvalidCommandTest.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/serviceability/dcmd/framework/InvalidCommandTest.java	Mon Feb 16 08:47:39 2015 -0800
@@ -33,6 +33,7 @@
  * @test
  * @summary Test of invalid diagnostic command (tests all DCMD executors)
  * @library /testlibrary
+ * @ignore 8072440
  * @build com.oracle.java.testlibrary.*
  * @build com.oracle.java.testlibrary.dcmd.*
  * @run testng/othervm -XX:+UsePerfData InvalidCommandTest
--- a/test/serviceability/dcmd/framework/VMVersionTest.java	Thu Feb 12 16:39:35 2015 -0800
+++ b/test/serviceability/dcmd/framework/VMVersionTest.java	Mon Feb 16 08:47:39 2015 -0800
@@ -34,6 +34,7 @@
  * @test
  * @summary Test of diagnostic command VM.version (tests all DCMD executors)
  * @library /testlibrary
+ * @ignore 8072440
  * @build com.oracle.java.testlibrary.*
  * @build com.oracle.java.testlibrary.dcmd.*
  * @run testng/othervm -XX:+UsePerfData VMVersionTest